80504138 has 64 divisors (see below), whose sum is σ = 148925952. Its totient is φ = 32148480.

The previous prime is 80504111. The next prime is 80504141. The reversal of 80504138 is 83140508.

It is a self number, because there is not a number n which added to its sum of digits gives 80504138.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 712370 + ... + 712482.

It is an arithmetic number, because the mean of its divisors is an integer number (2326968).

Almost surely, 2^80504138 is an apocalyptic number.

80504138 is a deficient number, since it is larger than the sum of its proper divisors (68421814).

80504138 is a wasteful number, since it uses less digits than its factorization.

80504138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239.

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 80504138 is about 8972.4098212242. The cubic root of 80504138 is about 431.7901537124.

The spelling of 80504138 in words is "eighty million, five hundred four thousand, one hundred thirty-eight".