8379650699879 has 2 divisors, whose sum is σ = 8379650699880. Its totient is φ = 8379650699878.

The previous prime is 8379650699857. The next prime is 8379650699929. The reversal of 8379650699879 is 9789960569738.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8379650699879 is a prime.

It is a super-2 number, since 2×8379650699879² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 8379650699879.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8379650699809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4189825349939 + 4189825349940.

It is an arithmetic number, because the mean of its divisors is an integer number (4189825349940).

Almost surely, 2^{8379650699879} is an apocalyptic number.

8379650699879 is a deficient number, since it is larger than the sum of its proper divisors (1).

8379650699879 is an equidigital number, since it uses as much as digits as its factorization.

8379650699879 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11110659840, while the sum is 86.

The spelling of 8379650699879 in words is "eight trillion, three hundred seventy-nine billion, six hundred fifty million, six hundred ninety-nine thousand, eight hundred seventy-nine".