79519378100 has 36 divisors (see below), whose sum is σ = 172887101184. Its totient is φ = 31746912480.

The previous prime is 79519378069. The next prime is 79519378117. The reversal of 79519378100 is 187391597.

It is a super-2 number, since 2×79519378100² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (50).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 707924 + ... + 812523.

Almost surely, 2^79519378100 is an apocalyptic number.

It is an amenable number.

79519378100 is an abundant number, since it is smaller than the sum of its proper divisors (93367723084).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

79519378100 is a wasteful number, since it uses less digits than its factorization.

79519378100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1520984 (or 1520977 counting only the distinct ones).

The product of its (nonzero) digits is 476280, while the sum is 50.

The spelling of 79519378100 in words is "seventy-nine billion, five hundred nineteen million, three hundred seventy-eight thousand, one hundred".