869868395 has 32 divisors (see below), whose sum is σ = 1198278144. Its totient is φ = 605019360.

The previous prime is 869868379. The next prime is 869868397. The reversal of 869868395 is 593868968.

It is not a de Polignac number, because 869868395 - 2⁴ = 869868379 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (869868397) 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 31 ways as a sum of consecutive naturals, for example, 150224 + ... + 155906.

It is an arithmetic number, because the mean of its divisors is an integer number (37446192).

Almost surely, 2^869868395 is an apocalyptic number.

869868395 is a deficient number, since it is larger than the sum of its proper divisors (328409749).

869868395 is a wasteful number, since it uses less digits than its factorization.

869868395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5744 (or 5722 counting only the distinct ones).

The product of its digits is 22394880, while the sum is 62.

The square root of 869868395 is about 29493.5314094464. The cubic root of 869868395 is about 954.5921323274.

The spelling of 869868395 in words is "eight hundred sixty-nine million, eight hundred sixty-eight thousand, three hundred ninety-five".