8399252799 has 20 divisors (see below), whose sum is σ = 14339466064. Its totient is φ = 4799572704.

The previous prime is 8399252791. The next prime is 8399252833. The reversal of 8399252799 is 9972529938.

It is not a de Polignac number, because 8399252799 - 2³ = 8399252791 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8399252791) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 7406182 + ... + 7407315.

Almost surely, 2^8399252799 is an apocalyptic number.

8399252799 is a deficient number, since it is larger than the sum of its proper divisors (5940213265).

8399252799 is a wasteful number, since it uses less digits than its factorization.

8399252799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14813516 (or 14813507 counting only the distinct ones).

The product of its digits is 22044960, while the sum is 63.

The square root of 8399252799 is about 91647.4374928181. The cubic root of 8399252799 is about 2032.7324378445.

It can be divided in two parts, 839925 and 2799, that added together give a square (842724 = 918²).

The spelling of 8399252799 in words is "eight billion, three hundred ninety-nine million, two hundred fifty-two thousand, seven hundred ninety-nine".