80897982040 has 16 divisors (see below), whose sum is σ = 182020459680. Its totient is φ = 32359192800.

The previous prime is 80897982001. The next prime is 80897982043. The reversal of 80897982040 is 4028979808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80897982043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1011224736 + ... + 1011224815.

It is an arithmetic number, because the mean of its divisors is an integer number (11376278730).

Almost surely, 2^80897982040 is an apocalyptic number.

It is an amenable number.

80897982040 is an abundant number, since it is smaller than the sum of its proper divisors (101122477640).

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

80897982040 is a wasteful number, since it uses less digits than its factorization.

80897982040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2022449562 (or 2022449558 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 55.

The spelling of 80897982040 in words is "eighty billion, eight hundred ninety-seven million, nine hundred eighty-two thousand, forty".