79687079567 has 2 divisors, whose sum is σ = 79687079568. Its totient is φ = 79687079566.

The previous prime is 79687079503. The next prime is 79687079581. The reversal of 79687079567 is 76597078697.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 79687079567 - 2⁶ = 79687079503 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 79687079567.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79687078567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39843539783 + 39843539784.

It is an arithmetic number, because the mean of its divisors is an integer number (39843539784).

Almost surely, 2^79687079567 is an apocalyptic number.

79687079567 is a deficient number, since it is larger than the sum of its proper divisors (1).

79687079567 is an equidigital number, since it uses as much as digits as its factorization.

79687079567 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 280052640, while the sum is 71.

The spelling of 79687079567 in words is "seventy-nine billion, six hundred eighty-seven million, seventy-nine thousand, five hundred sixty-seven".