76647029904 has 45 divisors (see below), whose sum is σ = 214514527539. Its totient is φ = 25547902560.

The previous prime is 76647029897. The next prime is 76647029929. The reversal of 76647029904 is 40992074667.

It is a happy number.

The square root of 76647029904 is 276852.

It is a perfect power (a square), and thus also a powerful number.

76647029904 is a `hidden beast` number, since 7 + 66 + 470 + 29 + 90 + 4 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 3310689 + ... + 3333759.

Almost surely, 2^76647029904 is an apocalyptic number.

76647029904 is the 276852-nd square number.

It is an amenable number.

76647029904 is an abundant number, since it is smaller than the sum of its proper divisors (137867497635).

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

76647029904 is an frugal number, since it uses more digits than its factorization.

76647029904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46156 (or 23076 counting only the distinct ones).

The product of its (nonzero) digits is 4572288, while the sum is 54.

The spelling of 76647029904 in words is "seventy-six billion, six hundred forty-seven million, twenty-nine thousand, nine hundred four".