9484766781 has 96 divisors (see below), whose sum is σ = 15409152000. Its totient is φ = 5171257728.

The previous prime is 9484766779. The next prime is 9484766783. The reversal of 9484766781 is 1876674849.

9484766781 = T₁₂₁₅₈ + T₁₂₁₅₉ + ... + T₁₂₂₈₄.

9484766781 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (9484766779) and next prime (9484766783).

It is not a de Polignac number, because 9484766781 - 2¹ = 9484766779 is a prime.

It is a super-2 number, since 2×9484766781² (a number of 21 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (60) coincides with the sum of the digits of its distinct prime factors.

Its product of digits (16257024) is a multiple of the sum of its prime divisors (384).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9484766783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 74683140 + ... + 74683266.

It is an arithmetic number, because the mean of its divisors is an integer number (160512000).

Almost surely, 2^9484766781 is an apocalyptic number.

It is an amenable number.

9484766781 is a deficient number, since it is larger than the sum of its proper divisors (5924385219).

9484766781 is a wasteful number, since it uses less digits than its factorization.

9484766781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391 (or 384 counting only the distinct ones).

The product of its digits is 16257024, while the sum is 60.

The square root of 9484766781 is about 97389.7673320971. The cubic root of 9484766781 is about 2116.7791649744.

The spelling of 9484766781 in words is "nine billion, four hundred eighty-four million, seven hundred sixty-six thousand, seven hundred eighty-one".