2864239688 has 16 divisors (see below), whose sum is σ = 5373231360. Its totient is φ = 1431378000.

The previous prime is 2864239619. The next prime is 2864239691. The reversal of 2864239688 is 8869324682.

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, 76148 + ... + 107363.

It is an arithmetic number, because the mean of its divisors is an integer number (335826960).

Almost surely, 2^2864239688 is an apocalyptic number.

It is an amenable number.

2864239688 is a deficient number, since it is larger than the sum of its proper divisors (2508991672).

2864239688 is a wasteful number, since it uses less digits than its factorization.

2864239688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185468 (or 185464 counting only the distinct ones).

The product of its digits is 7962624, while the sum is 56.

The square root of 2864239688 is about 53518.5919844684. The cubic root of 2864239688 is about 1420.1573071778.

The spelling of 2864239688 in words is "two billion, eight hundred sixty-four million, two hundred thirty-nine thousand, six hundred eighty-eight".