868000878 has 24 divisors (see below), whose sum is σ = 1886010048. Its totient is φ = 288511872.

The previous prime is 868000877. The next prime is 868000907. The reversal of 868000878 is 878000868.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (868000877) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 61950 + ... + 74657.

It is an arithmetic number, because the mean of its divisors is an integer number (78583752).

Almost surely, 2^868000878 is an apocalyptic number.

868000878 is an abundant number, since it is smaller than the sum of its proper divisors (1018009170).

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

868000878 is a wasteful number, since it uses less digits than its factorization.

868000878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136968 (or 136965 counting only the distinct ones).

The product of its (nonzero) digits is 172032, while the sum is 45.

The square root of 868000878 is about 29461.8546259396. The cubic root of 868000878 is about 953.9085061841.

The spelling of 868000878 in words is "eight hundred sixty-eight million, eight hundred seventy-eight", and thus it is an aban number.