7999806089997 has 48 divisors (see below), whose sum is σ = 11639478240000. Its totient is φ = 5294476535040.

The previous prime is 7999806089983. The next prime is 7999806090043.

It is a happy number.

7999806089997 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 7999806089997 - 2¹⁰ = 7999806088973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7999806084997) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2061272497 + ... + 2061276377.

It is an arithmetic number, because the mean of its divisors is an integer number (242489130000).

Almost surely, 2^{7999806089997} is an apocalyptic number.

It is an amenable number.

7999806089997 is a deficient number, since it is larger than the sum of its proper divisors (3639672150003).

7999806089997 is a wasteful number, since it uses less digits than its factorization.

7999806089997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6378 (or 6375 counting only the distinct ones).

The product of its (nonzero) digits is 9999593856, while the sum is 90.

The spelling of 7999806089997 in words is "seven trillion, nine hundred ninety-nine billion, eight hundred six million, eighty-nine thousand, nine hundred ninety-seven".