864799299 has 96 divisors (see below), whose sum is σ = 1641669120. Its totient is φ = 425696256.

The previous prime is 864799289. The next prime is 864799301. The reversal of 864799299 is 992997468.

864799299 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 864799299 - 2⁵ = 864799267 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (864799249) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2492044 + ... + 2492390.

It is an arithmetic number, because the mean of its divisors is an integer number (17100720).

Almost surely, 2^864799299 is an apocalyptic number.

864799299 is a deficient number, since it is larger than the sum of its proper divisors (776869821).

864799299 is a wasteful number, since it uses less digits than its factorization.

864799299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 569 (or 566 counting only the distinct ones).

The product of its digits is 17635968, while the sum is 63.

The square root of 864799299 is about 29407.4701224026. The cubic root of 864799299 is about 952.7342462296.

The spelling of 864799299 in words is "eight hundred sixty-four million, seven hundred ninety-nine thousand, two hundred ninety-nine".