868631495 has 4 divisors (see below), whose sum is σ = 1042357800. Its totient is φ = 694905192.

The previous prime is 868631441. The next prime is 868631503. The reversal of 868631495 is 594136868.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 868631495 - 2²⁴ = 851854279 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86863145 + ... + 86863154.

It is an arithmetic number, because the mean of its divisors is an integer number (260589450).

Almost surely, 2^868631495 is an apocalyptic number.

868631495 is a deficient number, since it is larger than the sum of its proper divisors (173726305).

868631495 is a wasteful number, since it uses less digits than its factorization.

868631495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173726304.

The product of its digits is 1244160, while the sum is 50.

The square root of 868631495 is about 29472.5549452368. The cubic root of 868631495 is about 954.1394603668.

The spelling of 868631495 in words is "eight hundred sixty-eight million, six hundred thirty-one thousand, four hundred ninety-five".