80327931 has 8 divisors (see below), whose sum is σ = 108208464. Its totient is φ = 52999680.

The previous prime is 80327927. The next prime is 80327939. The reversal of 80327931 is 13972308.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 80327931 - 2² = 80327927 is a prime.

It is a super-2 number, since 2×80327931² = 12905152997481522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 80327892 and 80327901.

It is not an unprimeable number, because it can be changed into a prime (80327939) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137730 + ... + 138311.

It is an arithmetic number, because the mean of its divisors is an integer number (13526058).

Almost surely, 2^80327931 is an apocalyptic number.

80327931 is a deficient number, since it is larger than the sum of its proper divisors (27880533).

80327931 is a wasteful number, since it uses less digits than its factorization.

80327931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276141.

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 80327931 is about 8962.5850623578. The cubic root of 80327931 is about 431.4748903062.

The spelling of 80327931 in words is "eighty million, three hundred twenty-seven thousand, nine hundred thirty-one".