80889677640 has 96 divisors (see below), whose sum is σ = 271371859200. Its totient is φ = 20874752640.

The previous prime is 80889677639. The next prime is 80889677663. The reversal of 80889677640 is 4677698808.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3612930 + ... + 3635249.

It is an arithmetic number, because the mean of its divisors is an integer number (2826790200).

Almost surely, 2^80889677640 is an apocalyptic number.

It is an amenable number.

80889677640 is an abundant number, since it is smaller than the sum of its proper divisors (190482181560).

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

80889677640 is a wasteful number, since it uses less digits than its factorization.

80889677640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7248227 (or 7248220 counting only the distinct ones).

The product of its (nonzero) digits is 32514048, while the sum is 63.

The spelling of 80889677640 in words is "eighty billion, eight hundred eighty-nine million, six hundred seventy-seven thousand, six hundred forty".