79970268855 has 32 divisors (see below), whose sum is σ = 129808578816. Its totient is φ = 42033026304.

The previous prime is 79970268811. The next prime is 79970268887. The reversal of 79970268855 is 55886207997.

It is a happy number.

It is not a de Polignac number, because 79970268855 - 2¹⁷ = 79970137783 is a prime.

It is a super-2 number, since 2×79970268855² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1376424 + ... + 1433346.

It is an arithmetic number, because the mean of its divisors is an integer number (4056518088).

Almost surely, 2^79970268855 is an apocalyptic number.

79970268855 is a deficient number, since it is larger than the sum of its proper divisors (49838309961).

79970268855 is a wasteful number, since it uses less digits than its factorization.

79970268855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58287.

The product of its (nonzero) digits is 76204800, while the sum is 66.

The spelling of 79970268855 in words is "seventy-nine billion, nine hundred seventy million, two hundred sixty-eight thousand, eight hundred fifty-five".