80012878 has 16 divisors (see below), whose sum is σ = 131068080. Its totient is φ = 36331200.

The previous prime is 80012839. The next prime is 80012887. The reversal of 80012878 is 87821008.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 37258 + ... + 39346.

It is an arithmetic number, because the mean of its divisors is an integer number (8191755).

Almost surely, 2^80012878 is an apocalyptic number.

80012878 is a deficient number, since it is larger than the sum of its proper divisors (51055202).

80012878 is a wasteful number, since it uses less digits than its factorization.

80012878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3843.

The product of its (nonzero) digits is 7168, while the sum is 34.

The square root of 80012878 is about 8944.9917831153. The cubic root of 80012878 is about 430.9100574408.

The spelling of 80012878 in words is "eighty million, twelve thousand, eight hundred seventy-eight".