79205250128 has 20 divisors (see below), whose sum is σ = 153554892468. Its totient is φ = 39578181120.

The previous prime is 79205250119. The next prime is 79205250151. The reversal of 79205250128 is 82105250297.

It can be written as a sum of positive squares in 2 ways, for example, as 62494000144 + 16711249984 = 249988^2 + 129272^2 .

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1501001 + ... + 1552872.

Almost surely, 2^79205250128 is an apocalyptic number.

It is an amenable number.

79205250128 is a deficient number, since it is larger than the sum of its proper divisors (74349642340).

79205250128 is a wasteful number, since it uses less digits than its factorization.

79205250128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3055502 (or 3055496 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 41.

The spelling of 79205250128 in words is "seventy-nine billion, two hundred five million, two hundred fifty thousand, one hundred twenty-eight".