80901938 has 32 divisors (see below), whose sum is σ = 138544560. Its totient is φ = 35159040.

The previous prime is 80901917. The next prime is 80901941. The reversal of 80901938 is 83910908.

It can be written as a sum of positive squares in 8 ways, for example, as 28440889 + 52461049 = 5333^2 + 7243^2 .

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29606 + ... + 32222.

Almost surely, 2^80901938 is an apocalyptic number.

80901938 is a deficient number, since it is larger than the sum of its proper divisors (57642622).

80901938 is a wasteful number, since it uses less digits than its factorization.

80901938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2702.

The product of its (nonzero) digits is 15552, while the sum is 38.

The square root of 80901938 is about 8994.5504612515. The cubic root of 80901938 is about 432.5001957966.

The spelling of 80901938 in words is "eighty million, nine hundred one thousand, nine hundred thirty-eight".