77204160205388 has 24 divisors (see below), whose sum is σ = 136105987878000. Its totient is φ = 38317509441728.

The previous prime is 77204160205349. The next prime is 77204160205391. The reversal of 77204160205388 is 88350206140277.

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, 96393863 + ... + 97191486.

It is an arithmetic number, because the mean of its divisors is an integer number (5671082828250).

Almost surely, 2^{77204160205388} is an apocalyptic number.

It is an amenable number.

77204160205388 is a deficient number, since it is larger than the sum of its proper divisors (58901827672612).

77204160205388 is a wasteful number, since it uses less digits than its factorization.

77204160205388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193586089 (or 193586087 counting only the distinct ones).

The product of its (nonzero) digits is 4515840, while the sum is 53.

The spelling of 77204160205388 in words is "seventy-seven trillion, two hundred four billion, one hundred sixty million, two hundred five thousand, three hundred eighty-eight".