80431386670 has 32 divisors (see below), whose sum is σ = 147001393440. Its totient is φ = 31681756800.

The previous prime is 80431386667. The next prime is 80431386671. The reversal of 80431386670 is 7668313408.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 80431386670.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80431386671) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48681 + ... + 404020.

It is an arithmetic number, because the mean of its divisors is an integer number (4593793545).

Almost surely, 2^80431386670 is an apocalyptic number.

80431386670 is a deficient number, since it is larger than the sum of its proper divisors (66570006770).

80431386670 is a wasteful number, since it uses less digits than its factorization.

80431386670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 452980.

The product of its (nonzero) digits is 580608, while the sum is 46.

The spelling of 80431386670 in words is "eighty billion, four hundred thirty-one million, three hundred eighty-six thousand, six hundred seventy".