80372266731 has 12 divisors (see below), whose sum is σ = 118060957560. Its totient is φ = 52673349600.

The previous prime is 80372266727. The next prime is 80372266781. The reversal of 80372266731 is 13766227308.

It is not a de Polignac number, because 80372266731 - 2² = 80372266727 is a prime.

It is a super-2 number, since 2×80372266731² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (80372266781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 75679570 + ... + 75680631.

It is an arithmetic number, because the mean of its divisors is an integer number (9838413130).

Almost surely, 2^80372266731 is an apocalyptic number.

80372266731 is a deficient number, since it is larger than the sum of its proper divisors (37688690829).

80372266731 is a wasteful number, since it uses less digits than its factorization.

80372266731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151360266 (or 151360263 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 45.

The spelling of 80372266731 in words is "eighty billion, three hundred seventy-two million, two hundred sixty-six thousand, seven hundred thirty-one".