80131928 has 16 divisors (see below), whose sum is σ = 150924480. Its totient is φ = 39885408.

The previous prime is 80131913. The next prime is 80131937. The reversal of 80131928 is 82913108.

It is a super-2 number, since 2×80131928² = 12842251769994368, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 80131894 and 80131903.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20675 + ... + 24242.

It is an arithmetic number, because the mean of its divisors is an integer number (9432780).

Almost surely, 2^80131928 is an apocalyptic number.

It is an amenable number.

80131928 is a deficient number, since it is larger than the sum of its proper divisors (70792552).

80131928 is a wasteful number, since it uses less digits than its factorization.

80131928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45146 (or 45142 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 32.

The square root of 80131928 is about 8951.6438713792. The cubic root of 80131928 is about 431.1236664742.

The spelling of 80131928 in words is "eighty million, one hundred thirty-one thousand, nine hundred twenty-eight".