79331788799 has 2 divisors, whose sum is σ = 79331788800. Its totient is φ = 79331788798.

The previous prime is 79331788793. The next prime is 79331788841. The reversal of 79331788799 is 99788713397.

It is a weak prime.

It is an emirp because it is prime and its reverse (99788713397) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 79331788799 - 2¹² = 79331784703 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79331788793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39665894399 + 39665894400.

It is an arithmetic number, because the mean of its divisors is an integer number (39665894400).

Almost surely, 2^79331788799 is an apocalyptic number.

79331788799 is a deficient number, since it is larger than the sum of its proper divisors (1).

79331788799 is an equidigital number, since it uses as much as digits as its factorization.

79331788799 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 144027072, while the sum is 71.

The spelling of 79331788799 in words is "seventy-nine billion, three hundred thirty-one million, seven hundred eighty-eight thousand, seven hundred ninety-nine".