79486860768 has 144 divisors (see below), whose sum is σ = 244492459344. Its totient is φ = 22544578560.

The previous prime is 79486860737. The next prime is 79486860793. The reversal of 79486860768 is 86706868497.

It is a super-2 number, since 2×79486860768² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 582778 + ... + 706118.

It is an arithmetic number, because the mean of its divisors is an integer number (1697864301).

Almost surely, 2^79486860768 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 79486860768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122246229672).

79486860768 is an abundant number, since it is smaller than the sum of its proper divisors (165005598576).

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

79486860768 is a wasteful number, since it uses less digits than its factorization.

79486860768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123505 (or 123490 counting only the distinct ones).

The product of its (nonzero) digits is 195084288, while the sum is 69.

The spelling of 79486860768 in words is "seventy-nine billion, four hundred eighty-six million, eight hundred sixty thousand, seven hundred sixty-eight".