868125678 has 16 divisors (see below), whose sum is σ = 1984287360. Its totient is φ = 248035896.

The previous prime is 868125659. The next prime is 868125679. The reversal of 868125678 is 876521868.

It is a self number, because there is not a number n which added to its sum of digits gives 868125678.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (868125679) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10334788 + ... + 10334871.

It is an arithmetic number, because the mean of its divisors is an integer number (124017960).

Almost surely, 2^868125678 is an apocalyptic number.

868125678 is an abundant number, since it is smaller than the sum of its proper divisors (1116161682).

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

868125678 is a wasteful number, since it uses less digits than its factorization.

868125678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20669671.

The product of its digits is 1290240, while the sum is 51.

The square root of 868125678 is about 29463.9725427513. The cubic root of 868125678 is about 953.9542212210.

The spelling of 868125678 in words is "eight hundred sixty-eight million, one hundred twenty-five thousand, six hundred seventy-eight".