79790669316 has 36 divisors (see below), whose sum is σ = 202597554432. Its totient is φ = 26477618544.

The previous prime is 79790669303. The next prime is 79790669389. The reversal of 79790669316 is 61396609797.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4961496 + ... + 4977551.

Almost surely, 2^79790669316 is an apocalyptic number.

It is an amenable number.

79790669316 is an abundant number, since it is smaller than the sum of its proper divisors (122806885116).

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

79790669316 is a wasteful number, since it uses less digits than its factorization.

79790669316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9939280 (or 9939275 counting only the distinct ones).

The product of its (nonzero) digits is 23147208, while the sum is 63.

The spelling of 79790669316 in words is "seventy-nine billion, seven hundred ninety million, six hundred sixty-nine thousand, three hundred sixteen".