80757748850 has 12 divisors (see below), whose sum is σ = 150209412954. Its totient is φ = 32303099520.

The previous prime is 80757748843. The next prime is 80757748859. The reversal of 80757748850 is 5884775708.

It can be written as a sum of positive squares in 3 ways, for example, as 32642010241 + 48115738609 = 180671^2 + 219353^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 80757748850.

It is not an unprimeable number, because it can be changed into a prime (80757748859) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 807577439 + ... + 807577538.

Almost surely, 2^80757748850 is an apocalyptic number.

80757748850 is a deficient number, since it is larger than the sum of its proper divisors (69451664104).

80757748850 is a wasteful number, since it uses less digits than its factorization.

80757748850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1615154989 (or 1615154984 counting only the distinct ones).

The product of its (nonzero) digits is 17561600, while the sum is 59.

The spelling of 80757748850 in words is "eighty billion, seven hundred fifty-seven million, seven hundred forty-eight thousand, eight hundred fifty".