79364322889 has 2 divisors, whose sum is σ = 79364322890. Its totient is φ = 79364322888.

The previous prime is 79364322883. The next prime is 79364322901. The reversal of 79364322889 is 98822346397.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 66974852025 + 12389470864 = 258795^2 + 111308^2 .

It is a cyclic number.

It is not a de Polignac number, because 79364322889 - 2¹⁹ = 79363798601 is a prime.

It is not a weakly prime, because it can be changed into another prime (79364322883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39682161444 + 39682161445.

It is an arithmetic number, because the mean of its divisors is an integer number (39682161445).

Almost surely, 2^79364322889 is an apocalyptic number.

It is an amenable number.

79364322889 is a deficient number, since it is larger than the sum of its proper divisors (1).

79364322889 is an equidigital number, since it uses as much as digits as its factorization.

79364322889 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31352832, while the sum is 61.

The spelling of 79364322889 in words is "seventy-nine billion, three hundred sixty-four million, three hundred twenty-two thousand, eight hundred eighty-nine".