80042886 has 48 divisors (see below), whose sum is σ = 216223488. Its totient is φ = 20790000.

The previous prime is 80042869. The next prime is 80042887. The reversal of 80042886 is 68824008.

It is a self number, because there is not a number n which added to its sum of digits gives 80042886.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80042887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27490 + ... + 30261.

It is an arithmetic number, because the mean of its divisors is an integer number (4504656).

Almost surely, 2^80042886 is an apocalyptic number.

80042886 is an abundant number, since it is smaller than the sum of its proper divisors (136180602).

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

80042886 is a wasteful number, since it uses less digits than its factorization.

80042886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57777 (or 57774 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 36.

The square root of 80042886 is about 8946.6689890707. The cubic root of 80042886 is about 430.9639201570.

The spelling of 80042886 in words is "eighty million, forty-two thousand, eight hundred eighty-six".