79758837818436 has 96 divisors (see below), whose sum is σ = 219562506713088. Its totient is φ = 22061304276480.

The previous prime is 79758837818423. The next prime is 79758837818453. The reversal of 79758837818436 is 63481873885797.

It is a super-2 number, since 2×79758837818436² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (84).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 97298160 + ... + 98114471.

It is an arithmetic number, because the mean of its divisors is an integer number (2287109444928).

Almost surely, 2^{79758837818436} is an apocalyptic number.

It is an amenable number.

79758837818436 is an abundant number, since it is smaller than the sum of its proper divisors (139803668894652).

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

79758837818436 is a wasteful number, since it uses less digits than its factorization.

79758837818436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195412801 (or 195412799 counting only the distinct ones).

The product of its digits is 13655900160, while the sum is 84.

The spelling of 79758837818436 in words is "seventy-nine trillion, seven hundred fifty-eight billion, eight hundred thirty-seven million, eight hundred eighteen thousand, four hundred thirty-six".