864199683 has 12 divisors (see below), whose sum is σ = 1251890328. Its totient is φ = 574470720.

The previous prime is 864199621. The next prime is 864199697. The reversal of 864199683 is 386991468.

It is not a de Polignac number, because 864199683 - 2⁶ = 864199619 is a prime.

It is not an unprimeable number, because it can be changed into a prime (864199603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 135238 + ... + 141483.

It is an arithmetic number, because the mean of its divisors is an integer number (104324194).

Almost surely, 2^864199683 is an apocalyptic number.

864199683 is a deficient number, since it is larger than the sum of its proper divisors (387690645).

864199683 is a wasteful number, since it uses less digits than its factorization.

864199683 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277074 (or 277071 counting only the distinct ones).

The product of its digits is 2239488, while the sum is 54.

The square root of 864199683 is about 29397.2733939731. The cubic root of 864199683 is about 952.5139998356.

The spelling of 864199683 in words is "eight hundred sixty-four million, one hundred ninety-nine thousand, six hundred eighty-three".