80877883572 has 36 divisors (see below), whose sum is σ = 205341960096. Its totient is φ = 26840528400.

The previous prime is 80877883531. The next prime is 80877883609. The reversal of 80877883572 is 27538877808.

It is a tau number, because it is divible by the number of its divisors (36).

It is a hoax number, since the sum of its digits (63) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4940304 + ... + 4956647.

It is an arithmetic number, because the mean of its divisors is an integer number (5703943336).

Almost surely, 2^80877883572 is an apocalyptic number.

It is an amenable number.

80877883572 is an abundant number, since it is smaller than the sum of its proper divisors (124464076524).

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

80877883572 is a wasteful number, since it uses less digits than its factorization.

80877883572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9897188 (or 9897183 counting only the distinct ones).

The product of its (nonzero) digits is 42147840, while the sum is 63.

The spelling of 80877883572 in words is "eighty billion, eight hundred seventy-seven million, eight hundred eighty-three thousand, five hundred seventy-two".