80897987832 has 64 divisors (see below), whose sum is σ = 202860028800. Its totient is φ = 26884099200.

The previous prime is 80897987813. The next prime is 80897987867. The reversal of 80897987832 is 23878979808.

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, 16013707 + ... + 16018757.

It is an arithmetic number, because the mean of its divisors is an integer number (3169687950).

Almost surely, 2^80897987832 is an apocalyptic number.

It is an amenable number.

80897987832 is an abundant number, since it is smaller than the sum of its proper divisors (121962040968).

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

80897987832 is a wasteful number, since it uses less digits than its factorization.

80897987832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6956 (or 6952 counting only the distinct ones).

The product of its (nonzero) digits is 97542144, while the sum is 69.

The spelling of 80897987832 in words is "eighty billion, eight hundred ninety-seven million, nine hundred eighty-seven thousand, eight hundred thirty-two".