80609618100 has 72 divisors (see below), whose sum is σ = 254433277728. Its totient is φ = 19541724800.

The previous prime is 80609618093. The next prime is 80609618213. The reversal of 80609618100 is 181690608.

It is a super-2 number, since 2×80609618100² (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, 12210279 + ... + 12216878.

It is an arithmetic number, because the mean of its divisors is an integer number (3533795524).

Almost surely, 2^80609618100 is an apocalyptic number.

It is an amenable number.

80609618100 is an abundant number, since it is smaller than the sum of its proper divisors (173823659628).

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

80609618100 is a wasteful number, since it uses less digits than its factorization.

80609618100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24427185 (or 24427178 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 39.

The spelling of 80609618100 in words is "eighty billion, six hundred nine million, six hundred eighteen thousand, one hundred".