79613670551 has 32 divisors (see below), whose sum is σ = 86642528256. Its totient is φ = 72936864000.

The previous prime is 79613670529. The next prime is 79613670641. The reversal of 79613670551 is 15507631697.

It is not a de Polignac number, because 79613670551 - 2¹⁴ = 79613654167 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 79613670551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79613670151) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31454156 + ... + 31456686.

It is an arithmetic number, because the mean of its divisors is an integer number (2707579008).

Almost surely, 2^79613670551 is an apocalyptic number.

79613670551 is a deficient number, since it is larger than the sum of its proper divisors (7028857705).

79613670551 is a wasteful number, since it uses less digits than its factorization.

79613670551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3023.

The product of its (nonzero) digits is 1190700, while the sum is 50.

The spelling of 79613670551 in words is "seventy-nine billion, six hundred thirteen million, six hundred seventy thousand, five hundred fifty-one".