864363699 has 12 divisors (see below), whose sum is σ = 1275090336. Its totient is φ = 563981712.

The previous prime is 864363679. The next prime is 864363707. The reversal of 864363699 is 996363468.

It is a happy number.

It is not a de Polignac number, because 864363699 - 2⁷ = 864363571 is a prime.

It is not an unprimeable number, because it can be changed into a prime (864363649) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1021284 + ... + 1022129.

It is an arithmetic number, because the mean of its divisors is an integer number (106257528).

Almost surely, 2^864363699 is an apocalyptic number.

864363699 is a deficient number, since it is larger than the sum of its proper divisors (410726637).

864363699 is a wasteful number, since it uses less digits than its factorization.

864363699 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2043466 (or 2043463 counting only the distinct ones).

The product of its digits is 5038848, while the sum is 54.

The square root of 864363699 is about 29400.0629080960. The cubic root of 864363699 is about 952.5742550663.

The spelling of 864363699 in words is "eight hundred sixty-four million, three hundred sixty-three thousand, six hundred ninety-nine".