79456259971 has 16 divisors (see below), whose sum is σ = 88036357248. Its totient is φ = 71108497600.

The previous prime is 79456259921. The next prime is 79456260007. The reversal of 79456259971 is 17995265497.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-79456259971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79456259921) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 101700 + ... + 411406.

It is an arithmetic number, because the mean of its divisors is an integer number (5502272328).

Almost surely, 2^79456259971 is an apocalyptic number.

79456259971 is a deficient number, since it is larger than the sum of its proper divisors (8580097277).

79456259971 is a wasteful number, since it uses less digits than its factorization.

79456259971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310082.

The product of its digits is 42865200, while the sum is 64.

The spelling of 79456259971 in words is "seventy-nine billion, four hundred fifty-six million, two hundred fifty-nine thousand, nine hundred seventy-one".