80684096556 has 24 divisors (see below), whose sum is σ = 215157591040. Its totient is φ = 23052598992.

The previous prime is 80684096443. The next prime is 80684096611. The reversal of 80684096556 is 65569048608.

It is a happy number.

It is a super-2 number, since 2×80684096556² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 80684096496 and 80684096505.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 480262396 + ... + 480262563.

Almost surely, 2^80684096556 is an apocalyptic number.

It is an amenable number.

80684096556 is an abundant number, since it is smaller than the sum of its proper divisors (134473494484).

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

80684096556 is a wasteful number, since it uses less digits than its factorization.

80684096556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 960524973 (or 960524971 counting only the distinct ones).

The product of its (nonzero) digits is 12441600, while the sum is 57.

The spelling of 80684096556 in words is "eighty billion, six hundred eighty-four million, ninety-six thousand, five hundred fifty-six".