878313044444 has 24 divisors (see below), whose sum is σ = 1680960977136. Its totient is φ = 398237600000.

The previous prime is 878313044437. The next prime is 878313044461. The reversal of 878313044444 is 444440313878.

It is a junction number, because it is equal to n+sod(n) for n = 878313044392 and 878313044401.

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, 24872207 + ... + 24907494.

It is an arithmetic number, because the mean of its divisors is an integer number (70040040714).

Almost surely, 2^878313044444 is an apocalyptic number.

It is an amenable number.

878313044444 is a deficient number, since it is larger than the sum of its proper divisors (802647932692).

878313044444 is a wasteful number, since it uses less digits than its factorization.

878313044444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49780117 (or 49780115 counting only the distinct ones).

The product of its (nonzero) digits is 4128768, while the sum is 50.

The spelling of 878313044444 in words is "eight hundred seventy-eight billion, three hundred thirteen million, forty-four thousand, four hundred forty-four".