7993113997 has 8 divisors (see below), whose sum is σ = 9001043712. Its totient is φ = 7032064800.

The previous prime is 7993113991. The next prime is 7993114007.

7993113997 is nontrivially palindromic in base 10.

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

It is a de Polignac number, because none of the positive numbers 2^k-7993113997 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 (7993113991) 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, 11719768 + ... + 11720449.

It is an arithmetic number, because the mean of its divisors is an integer number (1125130464).

Almost surely, 2^7993113997 is an apocalyptic number.

It is an amenable number.

7993113997 is a deficient number, since it is larger than the sum of its proper divisors (1007929715).

7993113997 is a wasteful number, since it uses less digits than its factorization.

7993113997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23440259.

The product of its digits is 2893401, while the sum is 58.

The square root of 7993113997 is about 89404.2168860060. The cubic root of 7993113997 is about 1999.4260016954.

It can be divided in two parts, 799311 and 3997, that added together give a palindrome (803308).

The spelling of 7993113997 in words is "seven billion, nine hundred ninety-three million, one hundred thirteen thousand, nine hundred ninety-seven".