878287970 has 64 divisors (see below), whose sum is σ = 1874313216. Its totient is φ = 289967040.

The previous prime is 878287967. The next prime is 878288009. The reversal of 878287970 is 79782878.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 491699 + ... + 493481.

It is an arithmetic number, because the mean of its divisors is an integer number (29286144).

Almost surely, 2^878287970 is an apocalyptic number.

878287970 is an abundant number, since it is smaller than the sum of its proper divisors (996025246).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

878287970 is a wasteful number, since it uses less digits than its factorization.

878287970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2055.

The product of its (nonzero) digits is 3161088, while the sum is 56.

The square root of 878287970 is about 29635.9236400690. The cubic root of 878287970 is about 957.6621244470.

The spelling of 878287970 in words is "eight hundred seventy-eight million, two hundred eighty-seven thousand, nine hundred seventy".