8492024781 has 12 divisors (see below), whose sum is σ = 12467345020. Its totient is φ = 5568540480.

The previous prime is 8492024777. The next prime is 8492024791. The reversal of 8492024781 is 1874202948.

It can be written as a sum of positive squares in 2 ways, for example, as 417384900 + 8074639881 = 20430^2 + 89859^2 .

It is not a de Polignac number, because 8492024781 - 2² = 8492024777 is a prime.

It is a super-2 number, since 2×8492024781² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8492024791) 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 11 ways as a sum of consecutive naturals, for example, 7733536 + ... + 7734633.

Almost surely, 2^8492024781 is an apocalyptic number.

It is an amenable number.

8492024781 is a deficient number, since it is larger than the sum of its proper divisors (3975320239).

8492024781 is a wasteful number, since it uses less digits than its factorization.

8492024781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15468236 (or 15468233 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 45.

The square root of 8492024781 is about 92152.1827250988. The cubic root of 8492024781 is about 2040.1890748917.

The spelling of 8492024781 in words is "eight billion, four hundred ninety-two million, twenty-four thousand, seven hundred eighty-one".