79209274128 has 20 divisors (see below), whose sum is σ = 204623958288. Its totient is φ = 26403091360.

The previous prime is 79209274103. The next prime is 79209274153. The reversal of 79209274128 is 82147290297.

It is an interprime number because it is at equal distance from previous prime (79209274103) and next prime (79209274153).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 825096558 + ... + 825096653.

Almost surely, 2^79209274128 is an apocalyptic number.

It is an amenable number.

79209274128 is an abundant number, since it is smaller than the sum of its proper divisors (125414684160).

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

79209274128 is a wasteful number, since it uses less digits than its factorization.

79209274128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1650193222 (or 1650193216 counting only the distinct ones).

The product of its (nonzero) digits is 1016064, while the sum is 51.

The spelling of 79209274128 in words is "seventy-nine billion, two hundred nine million, two hundred seventy-four thousand, one hundred twenty-eight".