8393372399 has 4 divisors (see below), whose sum is σ = 8394635760. Its totient is φ = 8392109040.

The previous prime is 8393372381. The next prime is 8393372467. The reversal of 8393372399 is 9932733938.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9932733938 = 2 ⋅4966366969.

It is a cyclic number.

It is not a de Polignac number, because 8393372399 - 2¹² = 8393368303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8393372329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 621662 + ... + 635019.

It is an arithmetic number, because the mean of its divisors is an integer number (2098658940).

Almost surely, 2^8393372399 is an apocalyptic number.

8393372399 is a deficient number, since it is larger than the sum of its proper divisors (1263361).

8393372399 is a wasteful number, since it uses less digits than its factorization.

8393372399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1263360.

The product of its digits is 6613488, while the sum is 56.

The square root of 8393372399 is about 91615.3502367371. The cubic root of 8393372399 is about 2032.2579483974.

The spelling of 8393372399 in words is "eight billion, three hundred ninety-three million, three hundred seventy-two thousand, three hundred ninety-nine".