8007668121599 has 4 divisors (see below), whose sum is σ = 8007708987000. Its totient is φ = 8007627256200.

The previous prime is 8007668121587. The next prime is 8007668121623. The reversal of 8007668121599 is 9951218667008.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8007668121599 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 (8007668121569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20137349 + ... + 20531150.

It is an arithmetic number, because the mean of its divisors is an integer number (2001927246750).

Almost surely, 2^{8007668121599} is an apocalyptic number.

8007668121599 is a deficient number, since it is larger than the sum of its proper divisors (40865401).

8007668121599 is a wasteful number, since it uses less digits than its factorization.

8007668121599 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40865400.

The product of its (nonzero) digits is 13063680, while the sum is 62.

The spelling of 8007668121599 in words is "eight trillion, seven billion, six hundred sixty-eight million, one hundred twenty-one thousand, five hundred ninety-nine".