77492736608 has 48 divisors (see below), whose sum is σ = 174377861280. Its totient is φ = 33207515136.

The previous prime is 77492736583. The next prime is 77492736613. The reversal of 77492736608 is 80663729477.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3332510 + ... + 3355682.

It is an arithmetic number, because the mean of its divisors is an integer number (3632872110).

Almost surely, 2^77492736608 is an apocalyptic number.

It is an amenable number.

77492736608 is an abundant number, since it is smaller than the sum of its proper divisors (96885124672).

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

77492736608 is a wasteful number, since it uses less digits than its factorization.

77492736608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38119 (or 38111 counting only the distinct ones).

The product of its (nonzero) digits is 21337344, while the sum is 59.

The spelling of 77492736608 in words is "seventy-seven billion, four hundred ninety-two million, seven hundred thirty-six thousand, six hundred eight".