7605991679999 has 4 divisors (see below), whose sum is σ = 7608507723936. Its totient is φ = 7603475636064.

The previous prime is 7605991679941. The next prime is 7605991680037. The reversal of 7605991679999 is 9999761995067.

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

It is a cyclic number.

It is not a de Polignac number, because 7605991679999 - 2²⁰ = 7605990631423 is a prime.

It is a super-2 number, since 2×7605991679999² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7605991679999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7605991675999) 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, 1258017434 + ... + 1258023479.

It is an arithmetic number, because the mean of its divisors is an integer number (1902126930984).

Almost surely, 2^{7605991679999} is an apocalyptic number.

7605991679999 is a deficient number, since it is larger than the sum of its proper divisors (2516043937).

7605991679999 is a wasteful number, since it uses less digits than its factorization.

7605991679999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2516043936.

The product of its (nonzero) digits is 4687309620, while the sum is 86.

The spelling of 7605991679999 in words is "seven trillion, six hundred five billion, nine hundred ninety-one million, six hundred seventy-nine thousand, nine hundred ninety-nine".