79144715252 has 12 divisors (see below), whose sum is σ = 139797675360. Its totient is φ = 39202522296.

The previous prime is 79144715249. The next prime is 79144715257. The reversal of 79144715252 is 25251744197.

It is a super-2 number, since 2×79144715252² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 79144715197 and 79144715206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79144715257) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92458352 + ... + 92459207.

It is an arithmetic number, because the mean of its divisors is an integer number (11649806280).

Almost surely, 2^79144715252 is an apocalyptic number.

It is an amenable number.

79144715252 is a deficient number, since it is larger than the sum of its proper divisors (60652960108).

79144715252 is a wasteful number, since it uses less digits than its factorization.

79144715252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184917670 (or 184917668 counting only the distinct ones).

The product of its digits is 705600, while the sum is 47.

The spelling of 79144715252 in words is "seventy-nine billion, one hundred forty-four million, seven hundred fifteen thousand, two hundred fifty-two".