864842695 has 8 divisors (see below), whose sum is σ = 1045983744. Its totient is φ = 686425824.

The previous prime is 864842687. The next prime is 864842701. The reversal of 864842695 is 596248468.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 864842695 - 2³ = 864842687 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 680344 + ... + 681613.

It is an arithmetic number, because the mean of its divisors is an integer number (130747968).

Almost surely, 2^864842695 is an apocalyptic number.

864842695 is a deficient number, since it is larger than the sum of its proper divisors (181141049).

864842695 is a wasteful number, since it uses less digits than its factorization.

864842695 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1362089.

The product of its digits is 3317760, while the sum is 52.

The square root of 864842695 is about 29408.2079528828. The cubic root of 864842695 is about 952.7501821675.

The spelling of 864842695 in words is "eight hundred sixty-four million, eight hundred forty-two thousand, six hundred ninety-five".