79292928636 has 144 divisors (see below), whose sum is σ = 209589918720. Its totient is φ = 25256914560.

The previous prime is 79292928613. The next prime is 79292928643. The reversal of 79292928636 is 63682929297.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 14343705 + ... + 14349231.

Almost surely, 2^79292928636 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 79292928636, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104794959360).

79292928636 is an abundant number, since it is smaller than the sum of its proper divisors (130296990084).

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

79292928636 is a wasteful number, since it uses less digits than its factorization.

79292928636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5784 (or 5779 counting only the distinct ones).

The product of its digits is 35271936, while the sum is 63.

The spelling of 79292928636 in words is "seventy-nine billion, two hundred ninety-two million, nine hundred twenty-eight thousand, six hundred thirty-six".