79680344125 has 16 divisors (see below), whose sum is σ = 99703506240. Its totient is φ = 63576046800.

The previous prime is 79680344123. The next prime is 79680344167. The reversal of 79680344125 is 52144308697.

It is a happy number.

It is not a de Polignac number, because 79680344125 - 2¹ = 79680344123 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79680344123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 793579 + ... + 888328.

It is an arithmetic number, because the mean of its divisors is an integer number (6231469140).

It is a 1-persistent number, because it is pandigital, but 2⋅79680344125 = 159360688250 is not.

Almost surely, 2^79680344125 is an apocalyptic number.

It is an amenable number.

79680344125 is a deficient number, since it is larger than the sum of its proper divisors (20023162115).

79680344125 is a wasteful number, since it uses less digits than its factorization.

79680344125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1682301 (or 1682291 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 49.

The spelling of 79680344125 in words is "seventy-nine billion, six hundred eighty million, three hundred forty-four thousand, one hundred twenty-five".