79743191136 has 288 divisors, whose sum is σ = 249125194080. Its totient is φ = 22261284864.

The previous prime is 79743191123. The next prime is 79743191173. The reversal of 79743191136 is 63119134797.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 79031400 + ... + 79032408.

It is an arithmetic number, because the mean of its divisors is an integer number (865018035).

Almost surely, 2^79743191136 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 79743191136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124562597040).

79743191136 is an abundant number, since it is smaller than the sum of its proper divisors (169382002944).

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

79743191136 is a wasteful number, since it uses less digits than its factorization.

79743191136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1406 (or 1391 counting only the distinct ones).

The product of its digits is 857304, while the sum is 51.

The spelling of 79743191136 in words is "seventy-nine billion, seven hundred forty-three million, one hundred ninety-one thousand, one hundred thirty-six".