7929292864 has 28 divisors (see below), whose sum is σ = 16660262844. Its totient is φ = 3731431424.

The previous prime is 7929292859. The next prime is 7929292937. The reversal of 7929292864 is 4682929297.

It can be written as a sum of positive squares in 2 ways, for example, as 3677209600 + 4252083264 = 60640^2 + 65208^2 .

It is a junction number, because it is equal to n+sod(n) for n = 7929292799 and 7929292808.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3642889 + ... + 3645064.

Almost surely, 2^7929292864 is an apocalyptic number.

It is an amenable number.

7929292864 is an abundant number, since it is smaller than the sum of its proper divisors (8730969980).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7929292864 is a wasteful number, since it uses less digits than its factorization.

7929292864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7287982 (or 7287972 counting only the distinct ones).

The product of its digits is 7838208, while the sum is 58.

The square root of 7929292864 is about 89046.5769358935. The cubic root of 7929292864 is about 1994.0902935510.

The spelling of 7929292864 in words is "seven billion, nine hundred twenty-nine million, two hundred ninety-two thousand, eight hundred sixty-four".