868918501 has 16 divisors (see below), whose sum is σ = 1027021248. Its totient is φ = 726163200.

The previous prime is 868918493. The next prime is 868918537. The reversal of 868918501 is 105819868.

It is a cyclic number.

It is not a de Polignac number, because 868918501 - 2³ = 868918493 is a prime.

It is a super-2 number, since 2×868918501² = 1510038722760174002, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (868918591) 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, 45990 + ... + 62071.

It is an arithmetic number, because the mean of its divisors is an integer number (64188828).

Almost surely, 2^868918501 is an apocalyptic number.

It is an amenable number.

868918501 is a deficient number, since it is larger than the sum of its proper divisors (158102747).

868918501 is a wasteful number, since it uses less digits than its factorization.

868918501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108132.

The product of its (nonzero) digits is 138240, while the sum is 46.

The square root of 868918501 is about 29477.4235814462. The cubic root of 868918501 is about 954.2445350722.

The spelling of 868918501 in words is "eight hundred sixty-eight million, nine hundred eighteen thousand, five hundred one".