80711479140 has 24 divisors (see below), whose sum is σ = 225992141760. Its totient is φ = 21523061088.

The previous prime is 80711479129. The next prime is 80711479171. The reversal of 80711479140 is 4197411708.

It is a junction number, because it is equal to n+sod(n) for n = 80711479092 and 80711479101.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 672595600 + ... + 672595719.

It is an arithmetic number, because the mean of its divisors is an integer number (9416339240).

Almost surely, 2^80711479140 is an apocalyptic number.

It is an amenable number.

80711479140 is an abundant number, since it is smaller than the sum of its proper divisors (145280662620).

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

80711479140 is a wasteful number, since it uses less digits than its factorization.

80711479140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1345191331 (or 1345191329 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 42.

The spelling of 80711479140 in words is "eighty billion, seven hundred eleven million, four hundred seventy-nine thousand, one hundred forty".