79377553544 has 32 divisors (see below), whose sum is σ = 156821184000. Its totient is φ = 37562703552.

The previous prime is 79377553523. The next prime is 79377553571. The reversal of 79377553544 is 44535577397.

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, 103784 + ... + 411735.

It is an arithmetic number, because the mean of its divisors is an integer number (4900662000).

Almost surely, 2^79377553544 is an apocalyptic number.

It is an amenable number.

79377553544 is a deficient number, since it is larger than the sum of its proper divisors (77443630456).

79377553544 is a wasteful number, since it uses less digits than its factorization.

79377553544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 516557 (or 516553 counting only the distinct ones).

The product of its digits is 55566000, while the sum is 59.

The spelling of 79377553544 in words is "seventy-nine billion, three hundred seventy-seven million, five hundred fifty-three thousand, five hundred forty-four".