878377868 has 12 divisors (see below), whose sum is σ = 1590167040. Its totient is φ = 424044432.

The previous prime is 878377831. The next prime is 878377883. The reversal of 878377868 is 868773878.

It is a self number, because there is not a number n which added to its sum of digits gives 878377868.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3785996 + ... + 3786227.

It is an arithmetic number, because the mean of its divisors is an integer number (132513920).

Almost surely, 2^878377868 is an apocalyptic number.

It is an amenable number.

878377868 is a deficient number, since it is larger than the sum of its proper divisors (711789172).

878377868 is a wasteful number, since it uses less digits than its factorization.

878377868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7572256 (or 7572254 counting only the distinct ones).

The product of its digits is 25288704, while the sum is 62.

The square root of 878377868 is about 29637.4403078269. The cubic root of 878377868 is about 957.6947974713.

The spelling of 878377868 in words is "eight hundred seventy-eight million, three hundred seventy-seven thousand, eight hundred sixty-eight".