80509326292731 has 16 divisors (see below), whose sum is σ = 126638325843968. Its totient is φ = 44521286428800.

The previous prime is 80509326292709. The next prime is 80509326292739. The reversal of 80509326292731 is 13729262390508.

It is a happy number.

It is not a de Polignac number, because 80509326292731 - 2³⁰ = 80508252550907 is a prime.

It is a super-2 number, since 2×80509326292731² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80509326292739) 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, 61835119390 + ... + 61835120691.

It is an arithmetic number, because the mean of its divisors is an integer number (7914895365248).

Almost surely, 2^{80509326292731} is an apocalyptic number.

80509326292731 is a deficient number, since it is larger than the sum of its proper divisors (46128999551237).

80509326292731 is a wasteful number, since it uses less digits than its factorization.

80509326292731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123670240122.

The product of its (nonzero) digits is 9797760, while the sum is 57.

The spelling of 80509326292731 in words is "eighty trillion, five hundred nine billion, three hundred twenty-six million, two hundred ninety-two thousand, seven hundred thirty-one".