79619864079952 has 20 divisors (see below), whose sum is σ = 176301127605856. Its totient is φ = 34122798891360.

The previous prime is 79619864079947. The next prime is 79619864080027. The reversal of 79619864079952 is 25997046891697.

It is a super-2 number, since 2×79619864079952² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 355445821674 + ... + 355445821897.

Almost surely, 2^{79619864079952} is an apocalyptic number.

It is an amenable number.

79619864079952 is an abundant number, since it is smaller than the sum of its proper divisors (96681263525904).

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

79619864079952 is a wasteful number, since it uses less digits than its factorization.

79619864079952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 710891643586 (or 710891643580 counting only the distinct ones).

The product of its (nonzero) digits is 3703553280, while the sum is 82.

The spelling of 79619864079952 in words is "seventy-nine trillion, six hundred nineteen billion, eight hundred sixty-four million, seventy-nine thousand, nine hundred fifty-two".