80072887940 has 48 divisors (see below), whose sum is σ = 170453740800. Its totient is φ = 31591752192.

The previous prime is 80072887931. The next prime is 80072887991. The reversal of 80072887940 is 4978827008.

It is a happy number.

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 15 ways as a sum of consecutive naturals, for example, 1569107 + ... + 1619333.

It is an arithmetic number, because the mean of its divisors is an integer number (3551119600).

Almost surely, 2^80072887940 is an apocalyptic number.

It is an amenable number.

80072887940 is an abundant number, since it is smaller than the sum of its proper divisors (90380852860).

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

80072887940 is a wasteful number, since it uses less digits than its factorization.

80072887940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51324 (or 51322 counting only the distinct ones).

The product of its (nonzero) digits is 1806336, while the sum is 53.

The spelling of 80072887940 in words is "eighty billion, seventy-two million, eight hundred eighty-seven thousand, nine hundred forty".