79216735251 has 64 divisors (see below), whose sum is σ = 111625113600. Its totient is φ = 49927860864.

The previous prime is 79216735237. The next prime is 79216735271. The reversal of 79216735251 is 15253761297.

It is not a de Polignac number, because 79216735251 - 2⁵ = 79216735219 is a prime.

It is a super-2 number, since 2×79216735251² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 79216735251.

It is not an unprimeable number, because it can be changed into a prime (79216735231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 120207160 + ... + 120207818.

It is an arithmetic number, because the mean of its divisors is an integer number (1744142400).

Almost surely, 2^79216735251 is an apocalyptic number.

79216735251 is a deficient number, since it is larger than the sum of its proper divisors (32408378349).

79216735251 is a wasteful number, since it uses less digits than its factorization.

79216735251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1000.

The product of its digits is 793800, while the sum is 48.

The spelling of 79216735251 in words is "seventy-nine billion, two hundred sixteen million, seven hundred thirty-five thousand, two hundred fifty-one".