80889874992 has 70 divisors (see below), whose sum is σ = 234978740532. Its totient is φ = 26963287776.

The previous prime is 80889874973. The next prime is 80889875069. The reversal of 80889874992 is 29947898808.

It is a super-4 number, since 4×80889874992⁴ (a number of 45 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a self number, because there is not a number n which added to its sum of digits gives 80889874992.

It is an unprimeable number.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 3455838 + ... + 3479165.

Almost surely, 2^80889874992 is an apocalyptic number.

It is an amenable number.

80889874992 is an abundant number, since it is smaller than the sum of its proper divisors (154088865540).

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

80889874992 is an equidigital number, since it uses as much as digits as its factorization.

80889874992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6935029 (or 6935008 counting only the distinct ones).

The product of its (nonzero) digits is 167215104, while the sum is 72.

The spelling of 80889874992 in words is "eighty billion, eight hundred eighty-nine million, eight hundred seventy-four thousand, nine hundred ninety-two".