79976724813 has 40 divisors (see below), whose sum is σ = 123693847200. Its totient is φ = 51436480032.

The previous prime is 79976724803. The next prime is 79976724823. The reversal of 79976724813 is 31842767997.

79976724813 is a `hidden beast` number, since 7 + 9 + 97 + 67 + 2 + 481 + 3 = 666.

It is an interprime number because it is at equal distance from previous prime (79976724803) and next prime (79976724823).

It is not a de Polignac number, because 79976724813 - 2⁵ = 79976724781 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79976724803) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2943870 + ... + 2970912.

It is an arithmetic number, because the mean of its divisors is an integer number (3092346180).

Almost surely, 2^79976724813 is an apocalyptic number.

It is an amenable number.

79976724813 is a deficient number, since it is larger than the sum of its proper divisors (43717122387).

79976724813 is a wasteful number, since it uses less digits than its factorization.

79976724813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28343 (or 28334 counting only the distinct ones).

The product of its digits is 32006016, while the sum is 63.

The spelling of 79976724813 in words is "seventy-nine billion, nine hundred seventy-six million, seven hundred twenty-four thousand, eight hundred thirteen".