862913864 has 16 divisors (see below), whose sum is σ = 1623937920. Its totient is φ = 429863760.

The previous prime is 862913827. The next prime is 862913867. The reversal of 862913864 is 468319268.

It is not an unprimeable number, because it can be changed into a prime (862913867) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 196844 + ... + 201179.

It is an arithmetic number, because the mean of its divisors is an integer number (101496120).

Almost surely, 2^862913864 is an apocalyptic number.

It is an amenable number.

862913864 is a deficient number, since it is larger than the sum of its proper divisors (761024056).

862913864 is a wasteful number, since it uses less digits than its factorization.

862913864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398300 (or 398296 counting only the distinct ones).

The product of its digits is 497664, while the sum is 47.

The square root of 862913864 is about 29375.3955547836. The cubic root of 862913864 is about 952.0413588651.

The spelling of 862913864 in words is "eight hundred sixty-two million, nine hundred thirteen thousand, eight hundred sixty-four".