79566288551 has 2 divisors, whose sum is σ = 79566288552. Its totient is φ = 79566288550.

The previous prime is 79566288541. The next prime is 79566288569. The reversal of 79566288551 is 15588266597.

It is a weak prime.

It is an emirp because it is prime and its reverse (15588266597) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 79566288551 - 2²⁶ = 79499179687 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79566288541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39783144275 + 39783144276.

It is an arithmetic number, because the mean of its divisors is an integer number (39783144276).

Almost surely, 2^79566288551 is an apocalyptic number.

79566288551 is a deficient number, since it is larger than the sum of its proper divisors (1).

79566288551 is an equidigital number, since it uses as much as digits as its factorization.

79566288551 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36288000, while the sum is 62.

The spelling of 79566288551 in words is "seventy-nine billion, five hundred sixty-six million, two hundred eighty-eight thousand, five hundred fifty-one".