7990110997 has 4 divisors (see below), whose sum is σ = 8716484736. Its totient is φ = 7263737260.

The previous prime is 7990110941. The next prime is 7990111069.

7990110997 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 7990110997 - 2²³ = 7981722389 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 (7990110197) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 363186853 + ... + 363186874.

It is an arithmetic number, because the mean of its divisors is an integer number (2179121184).

Almost surely, 2^7990110997 is an apocalyptic number.

It is an amenable number.

7990110997 is a deficient number, since it is larger than the sum of its proper divisors (726373739).

7990110997 is a wasteful number, since it uses less digits than its factorization.

7990110997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 726373738.

The product of its (nonzero) digits is 321489, while the sum is 52.

The square root of 7990110997 is about 89387.4207984546. The cubic root of 7990110997 is about 1999.1755766264.

The spelling of 7990110997 in words is "seven billion, nine hundred ninety million, one hundred ten thousand, nine hundred ninety-seven".