80115797856 has 192 divisors, whose sum is σ = 221298739200. Its totient is φ = 25347379200.

The previous prime is 80115797789. The next prime is 80115797899. The reversal of 80115797856 is 65879751108.

It is a super-2 number, since 2×80115797856² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 80115797796 and 80115797805.

It is a congruent number.

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, 34696030 + ... + 34698338.

It is an arithmetic number, because the mean of its divisors is an integer number (1152597600).

Almost surely, 2^80115797856 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 80115797856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110649369600).

80115797856 is an abundant number, since it is smaller than the sum of its proper divisors (141182941344).

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

80115797856 is a wasteful number, since it uses less digits than its factorization.

80115797856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2573 (or 2565 counting only the distinct ones).

The product of its (nonzero) digits is 4233600, while the sum is 57.

The spelling of 80115797856 in words is "eighty billion, one hundred fifteen million, seven hundred ninety-seven thousand, eight hundred fifty-six".