80878113278 has 16 divisors (see below), whose sum is σ = 121917890016. Its totient is φ = 40239045120.

The previous prime is 80878113259. The next prime is 80878113289. The reversal of 80878113278 is 87231187808.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 662798 + ... + 775278.

It is an arithmetic number, because the mean of its divisors is an integer number (7619868126).

Almost surely, 2^80878113278 is an apocalyptic number.

80878113278 is a deficient number, since it is larger than the sum of its proper divisors (41039776738).

80878113278 is a wasteful number, since it uses less digits than its factorization.

80878113278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114259.

The product of its (nonzero) digits is 1204224, while the sum is 53.

The spelling of 80878113278 in words is "eighty billion, eight hundred seventy-eight million, one hundred thirteen thousand, two hundred seventy-eight".