79557813333804 has 288 divisors, whose sum is σ = 210238405386240. Its totient is φ = 23377044787200.

The previous prime is 79557813333793. The next prime is 79557813333899. The reversal of 79557813333804 is 40833331875597.

It is a super-2 number, since 2×79557813333804² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 12997515864 + ... + 12997521984.

Almost surely, 2^{79557813333804} 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 79557813333804, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105119202693120).

79557813333804 is an abundant number, since it is smaller than the sum of its proper divisors (130680592052436).

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

79557813333804 is a wasteful number, since it uses less digits than its factorization.

79557813333804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8881 (or 8866 counting only the distinct ones).

The product of its (nonzero) digits is 228614400, while the sum is 66.

The spelling of 79557813333804 in words is "seventy-nine trillion, five hundred fifty-seven billion, eight hundred thirteen million, three hundred thirty-three thousand, eight hundred four".