79348631728 has 20 divisors (see below), whose sum is σ = 153763560288. Its totient is φ = 39667712960.

The previous prime is 79348631689. The next prime is 79348631737. The reversal of 79348631728 is 82713684397.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 312808 + ... + 506503.

Almost surely, 2^79348631728 is an apocalyptic number.

It is an amenable number.

79348631728 is a deficient number, since it is larger than the sum of its proper divisors (74414928560).

79348631728 is a wasteful number, since it uses less digits than its factorization.

79348631728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 825372 (or 825366 counting only the distinct ones).

The product of its digits is 12192768, while the sum is 58.

The spelling of 79348631728 in words is "seventy-nine billion, three hundred forty-eight million, six hundred thirty-one thousand, seven hundred twenty-eight".