80575878 has 16 divisors (see below), whose sum is σ = 161285616. Its totient is φ = 26836320.

The previous prime is 80575871. The next prime is 80575889. The reversal of 80575878 is 87857508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80575871) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3348 + ... + 13128.

It is an arithmetic number, because the mean of its divisors is an integer number (10080351).

Almost surely, 2^80575878 is an apocalyptic number.

80575878 is an abundant number, since it is smaller than the sum of its proper divisors (80709738).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80575878 is a wasteful number, since it uses less digits than its factorization.

80575878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11159.

The product of its (nonzero) digits is 627200, while the sum is 48.

The square root of 80575878 is about 8976.4067421213. The cubic root of 80575878 is about 431.9183766399.

The spelling of 80575878 in words is "eighty million, five hundred seventy-five thousand, eight hundred seventy-eight".