80747672880 has 160 divisors (see below), whose sum is σ = 301134297600. Its totient is φ = 17485203456.

The previous prime is 80747672843. The next prime is 80747672881. The reversal of 80747672880 is 8827674708.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a self number, because there is not a number n which added to its sum of digits gives 80747672880.

It is not an unprimeable number, because it can be changed into a prime (80747672881) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1232925 + ... + 1296764.

It is an arithmetic number, because the mean of its divisors is an integer number (1882089360).

Almost surely, 2^80747672880 is an apocalyptic number.

80747672880 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

80747672880 is an abundant number, since it is smaller than the sum of its proper divisors (220386624720).

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

80747672880 is a wasteful number, since it uses less digits than its factorization.

80747672880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2529731 (or 2529725 counting only the distinct ones).

The product of its (nonzero) digits is 8429568, while the sum is 57.

The spelling of 80747672880 in words is "eighty billion, seven hundred forty-seven million, six hundred seventy-two thousand, eight hundred eighty".