79021952886 has 32 divisors (see below), whose sum is σ = 165452652288. Its totient is φ = 25113322080.

The previous prime is 79021952851. The next prime is 79021952903. The reversal of 79021952886 is 68825912097.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 890245 + ... + 974976.

It is an arithmetic number, because the mean of its divisors is an integer number (5170395384).

Almost surely, 2^79021952886 is an apocalyptic number.

79021952886 is an abundant number, since it is smaller than the sum of its proper divisors (86430699402).

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

79021952886 is a wasteful number, since it uses less digits than its factorization.

79021952886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1865556.

The product of its (nonzero) digits is 4354560, while the sum is 57.

The spelling of 79021952886 in words is "seventy-nine billion, twenty-one million, nine hundred fifty-two thousand, eight hundred eighty-six".