79102438828 has 24 divisors (see below), whose sum is σ = 159024602912. Its totient is φ = 33725389824.

The previous prime is 79102438819. The next prime is 79102438853. The reversal of 79102438828 is 82883420197.

It is a happy number.

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, 7313475 + ... + 7324282.

Almost surely, 2^79102438828 is an apocalyptic number.

It is an amenable number.

79102438828 is an abundant number, since it is smaller than the sum of its proper divisors (79922164084).

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

79102438828 is a wasteful number, since it uses less digits than its factorization.

79102438828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14637961 (or 14637959 counting only the distinct ones).

The product of its (nonzero) digits is 1548288, while the sum is 52.

The spelling of 79102438828 in words is "seventy-nine billion, one hundred two million, four hundred thirty-eight thousand, eight hundred twenty-eight".