77368793572 has 48 divisors (see below), whose sum is σ = 155336493312. Its totient is φ = 33029867520.

The previous prime is 77368793549. The next prime is 77368793587. The reversal of 77368793572 is 27539786377.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25440372 + ... + 25443412.

It is an arithmetic number, because the mean of its divisors is an integer number (3236176944).

Almost surely, 2^77368793572 is an apocalyptic number.

It is an amenable number.

77368793572 is an abundant number, since it is smaller than the sum of its proper divisors (77967699740).

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

77368793572 is a wasteful number, since it uses less digits than its factorization.

77368793572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6268 (or 6266 counting only the distinct ones).

The product of its digits is 93350880, while the sum is 64.

The spelling of 77368793572 in words is "seventy-seven billion, three hundred sixty-eight million, seven hundred ninety-three thousand, five hundred seventy-two".