868115756 has 36 divisors (see below), whose sum is σ = 1595065248. Its totient is φ = 413218368.

The previous prime is 868115747. The next prime is 868115767. The reversal of 868115756 is 657511868.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a self number, because there is not a number n which added to its sum of digits gives 868115756.

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 11 ways as a sum of consecutive naturals, for example, 255686 + ... + 259058.

It is an arithmetic number, because the mean of its divisors is an integer number (44307368).

Almost surely, 2^868115756 is an apocalyptic number.

It is an amenable number.

868115756 is a deficient number, since it is larger than the sum of its proper divisors (726949492).

868115756 is a wasteful number, since it uses less digits than its factorization.

868115756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3498 (or 3459 counting only the distinct ones).

The product of its digits is 403200, while the sum is 47.

The square root of 868115756 is about 29463.8041671472. The cubic root of 868115756 is about 953.9505868893.

The spelling of 868115756 in words is "eight hundred sixty-eight million, one hundred fifteen thousand, seven hundred fifty-six".