80127157931 has 12 divisors (see below), whose sum is σ = 82391218560. Its totient is φ = 77923758240.

The previous prime is 80127157921. The next prime is 80127157951. The reversal of 80127157931 is 13975172108.

It is a de Polignac number, because none of the positive numbers 2^k-80127157931 is a prime.

It is a super-3 number, since 3×80127157931³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80127157921) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3052121 + ... + 3078261.

It is an arithmetic number, because the mean of its divisors is an integer number (6865934880).

Almost surely, 2^80127157931 is an apocalyptic number.

80127157931 is a deficient number, since it is larger than the sum of its proper divisors (2264060629).

80127157931 is a wasteful number, since it uses less digits than its factorization.

80127157931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28454 (or 28417 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 44.

The spelling of 80127157931 in words is "eighty billion, one hundred twenty-seven million, one hundred fifty-seven thousand, nine hundred thirty-one".