878504312858 has 16 divisors (see below), whose sum is σ = 1331336662656. Its totient is φ = 434730466800.

The previous prime is 878504312849. The next prime is 878504312897. The reversal of 878504312858 is 858213405878.

It is a junction number, because it is equal to n+sod(n) for n = 878504312797 and 878504312806.

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, 910718 + ... + 1608233.

It is an arithmetic number, because the mean of its divisors is an integer number (83208541416).

Almost surely, 2^878504312858 is an apocalyptic number.

878504312858 is a deficient number, since it is larger than the sum of its proper divisors (452832349798).

878504312858 is a wasteful number, since it uses less digits than its factorization.

878504312858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2520749.

The product of its (nonzero) digits is 17203200, while the sum is 59.

The spelling of 878504312858 in words is "eight hundred seventy-eight billion, five hundred four million, three hundred twelve thousand, eight hundred fifty-eight".