80131894 has 16 divisors (see below), whose sum is σ = 121913568. Its totient is φ = 39497472.

The previous prime is 80131879. The next prime is 80131903. The reversal of 80131894 is 49813108.

It is a happy number.

It is a super-2 number, since 2×80131894² = 12842240872054472, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60847 + ... + 62149.

It is an arithmetic number, because the mean of its divisors is an integer number (7619598).

Almost surely, 2^80131894 is an apocalyptic number.

80131894 is a deficient number, since it is larger than the sum of its proper divisors (41781674).

80131894 is a wasteful number, since it uses less digits than its factorization.

80131894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1719.

The product of its (nonzero) digits is 6912, while the sum is 34.

The square root of 80131894 is about 8951.6419722864. The cubic root of 80131894 is about 431.1236054989.

The spelling of 80131894 in words is "eighty million, one hundred thirty-one thousand, eight hundred ninety-four".