861125768 has 64 divisors (see below), whose sum is σ = 1732104000. Its totient is φ = 400621312.

The previous prime is 861125767. The next prime is 861125777. The reversal of 861125768 is 867521168.

It is a happy number.

861125768 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (861125767) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 724871 + ... + 726057.

It is an arithmetic number, because the mean of its divisors is an integer number (27064125).

Almost surely, 2^861125768 is an apocalyptic number.

It is an amenable number.

861125768 is an abundant number, since it is smaller than the sum of its proper divisors (870978232).

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

861125768 is a wasteful number, since it uses less digits than its factorization.

861125768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1334 (or 1330 counting only the distinct ones).

The product of its digits is 161280, while the sum is 44.

The square root of 861125768 is about 29344.9445049739. The cubic root of 861125768 is about 951.3833099706.

The spelling of 861125768 in words is "eight hundred sixty-one million, one hundred twenty-five thousand, seven hundred sixty-eight".