7997324398 has 24 divisors (see below), whose sum is σ = 14122656072. Its totient is φ = 3386127024.

The previous prime is 7997324383. The next prime is 7997324429. The reversal of 7997324398 is 8934237997.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 483465 + ... + 499732.

It is an arithmetic number, because the mean of its divisors is an integer number (588444003).

Almost surely, 2^7997324398 is an apocalyptic number.

7997324398 is a deficient number, since it is larger than the sum of its proper divisors (6125331674).

7997324398 is a wasteful number, since it uses less digits than its factorization.

7997324398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 983296 (or 983289 counting only the distinct ones).

The product of its digits is 20575296, while the sum is 61.

The square root of 7997324398 is about 89427.7607793016. The cubic root of 7997324398 is about 1999.7770083049. Note that the first 3 decimals are identical.

The spelling of 7997324398 in words is "seven billion, nine hundred ninety-seven million, three hundred twenty-four thousand, three hundred ninety-eight".