8115374399 has 8 divisors (see below), whose sum is σ = 8907451392. Its totient is φ = 7332350040.

The previous prime is 8115374387. The next prime is 8115374453. The reversal of 8115374399 is 9934735118.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8115374399 - 2²⁰ = 8114325823 is a prime.

It is a super-2 number, since 2×8115374399² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8115374359) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2261279 + ... + 2264864.

It is an arithmetic number, because the mean of its divisors is an integer number (1113431424).

Almost surely, 2^8115374399 is an apocalyptic number.

8115374399 is a deficient number, since it is larger than the sum of its proper divisors (792076993).

8115374399 is a wasteful number, since it uses less digits than its factorization.

8115374399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4526317.

The product of its digits is 816480, while the sum is 50.

The square root of 8115374399 is about 90085.3728359937. The cubic root of 8115374399 is about 2009.5686804188.

The spelling of 8115374399 in words is "eight billion, one hundred fifteen million, three hundred seventy-four thousand, three hundred ninety-nine".