80533559676 has 48 divisors (see below), whose sum is σ = 200754028160. Its totient is φ = 25052068800.

The previous prime is 80533559669. The next prime is 80533559681. The reversal of 80533559676 is 67695533508.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2620675 + ... + 2651226.

Almost surely, 2^80533559676 is an apocalyptic number.

It is an amenable number.

80533559676 is an abundant number, since it is smaller than the sum of its proper divisors (120220468484).

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

80533559676 is a wasteful number, since it uses less digits than its factorization.

80533559676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5271994 (or 5271992 counting only the distinct ones).

The product of its (nonzero) digits is 20412000, while the sum is 57.

The spelling of 80533559676 in words is "eighty billion, five hundred thirty-three million, five hundred fifty-nine thousand, six hundred seventy-six".