868886623 has 16 divisors (see below), whose sum is σ = 966366720. Its totient is φ = 774568800.

The previous prime is 868886597. The next prime is 868886639. The reversal of 868886623 is 326688868.

It is a cyclic number.

It is not a de Polignac number, because 868886623 - 2²⁵ = 835332191 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (868836623) 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, 239086 + ... + 242692.

It is an arithmetic number, because the mean of its divisors is an integer number (60397920).

Almost surely, 2^868886623 is an apocalyptic number.

868886623 is a deficient number, since it is larger than the sum of its proper divisors (97480097).

868886623 is a wasteful number, since it uses less digits than its factorization.

868886623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4038.

The product of its digits is 5308416, while the sum is 55.

The square root of 868886623 is about 29476.8828575886. The cubic root of 868886623 is about 954.2328654778.

The spelling of 868886623 in words is "eight hundred sixty-eight million, eight hundred eighty-six thousand, six hundred twenty-three".