7994884997 has 4 divisors (see below), whose sum is σ = 8721692736. Its totient is φ = 7268077260.

The previous prime is 7994884993. The next prime is 7994885009.

7994884997 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 7994884997 - 2² = 7994884993 is a prime.

It is a super-2 number, since 2×7994884997² (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 (7994884993) 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, 363403853 + ... + 363403874.

It is an arithmetic number, because the mean of its divisors is an integer number (2180423184).

Almost surely, 2^7994884997 is an apocalyptic number.

It is an amenable number.

7994884997 is a deficient number, since it is larger than the sum of its proper divisors (726807739).

7994884997 is a wasteful number, since it uses less digits than its factorization.

7994884997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 726807738.

The product of its digits is 329204736, while the sum is 74.

The square root of 7994884997 is about 89414.1207919644. The cubic root of 7994884997 is about 1999.5736588731.

The spelling of 7994884997 in words is "seven billion, nine hundred ninety-four million, eight hundred eighty-four thousand, nine hundred ninety-seven".