10478781 has 16 divisors (see below), whose sum is σ = 15625920. Its totient is φ = 6940080.

The previous prime is 10478761. The next prime is 10478801. The reversal of 10478781 is 18787401.

It is an interprime number because it is at equal distance from previous prime (10478761) and next prime (10478801).

It is not a de Polignac number, because 10478781 - 2⁷ = 10478653 is a prime.

It is a super-2 number, since 2×10478781² = 219609702491922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10478701) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3211 + ... + 5591.

It is an arithmetic number, because the mean of its divisors is an integer number (976620).

Almost surely, 2^10478781 is an apocalyptic number.

It is an amenable number.

10478781 is a deficient number, since it is larger than the sum of its proper divisors (5147139).

10478781 is a wasteful number, since it uses less digits than its factorization.

10478781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2553 (or 2547 counting only the distinct ones).

The product of its (nonzero) digits is 12544, while the sum is 36.

The square root of 10478781 is about 3237.0945305938. The cubic root of 10478781 is about 218.8283511440.

The spelling of 10478781 in words is "ten million, four hundred seventy-eight thousand, seven hundred eighty-one".