868675918 has 32 divisors (see below), whose sum is σ = 1474524000. Its totient is φ = 380190720.

The previous prime is 868675909. The next prime is 868675919. The reversal of 868675918 is 819576868.

It is a Harshad number since it is a multiple of its sum of digits (58).

Its product of digits (5806080) is a multiple of the sum of its prime divisors (3780).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (868675919) 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 15 ways as a sum of consecutive naturals, for example, 259278 + ... + 262606.

It is an arithmetic number, because the mean of its divisors is an integer number (46078875).

Almost surely, 2^868675918 is an apocalyptic number.

868675918 is a deficient number, since it is larger than the sum of its proper divisors (605848082).

868675918 is a wasteful number, since it uses less digits than its factorization.

868675918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3780.

The product of its digits is 5806080, while the sum is 58.

The square root of 868675918 is about 29473.3085689408. The cubic root of 868675918 is about 954.1557254209.

The spelling of 868675918 in words is "eight hundred sixty-eight million, six hundred seventy-five thousand, nine hundred eighteen".