80673831 has 12 divisors (see below), whose sum is σ = 133175952. Its totient is φ = 46099296.

The previous prime is 80673799. The next prime is 80673839. The reversal of 80673831 is 13837608.

80673831 = 2394² + 2395² + ... + 2407².

It is not a de Polignac number, because 80673831 - 2⁵ = 80673799 is a prime.

It is a super-2 number, since 2×80673831² = 13016534016433122, which contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80673839) 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, 640206 + ... + 640331.

It is an arithmetic number, because the mean of its divisors is an integer number (11097996).

Almost surely, 2^80673831 is an apocalyptic number.

80673831 is a deficient number, since it is larger than the sum of its proper divisors (52502121).

80673831 is a wasteful number, since it uses less digits than its factorization.

80673831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1280550 (or 1280547 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 80673831 is about 8981.8612213728. The cubic root of 80673831 is about 432.0933279587.

The spelling of 80673831 in words is "eighty million, six hundred seventy-three thousand, eight hundred thirty-one".