80631873 has 12 divisors (see below), whose sum is σ = 133106688. Its totient is φ = 46075320.

The previous prime is 80631827. The next prime is 80631893. The reversal of 80631873 is 37813608.

It is not a de Polignac number, because 80631873 - 2⁶ = 80631809 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (80631823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 639873 + ... + 639998.

It is an arithmetic number, because the mean of its divisors is an integer number (11092224).

Almost surely, 2^80631873 is an apocalyptic number.

It is an amenable number.

80631873 is a deficient number, since it is larger than the sum of its proper divisors (52474815).

80631873 is a wasteful number, since it uses less digits than its factorization.

80631873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1279884 (or 1279881 counting only the distinct ones).

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

The square root of 80631873 is about 8979.5252101656. The cubic root of 80631873 is about 432.0184052086.

The spelling of 80631873 in words is "eighty million, six hundred thirty-one thousand, eight hundred seventy-three".