788966768897 has 2 divisors, whose sum is σ = 788966768898. Its totient is φ = 788966768896.

The previous prime is 788966768873. The next prime is 788966768927. The reversal of 788966768897 is 798867669887.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 745155674176 + 43811094721 = 863224^2 + 209311^2 .

It is a cyclic number.

It is not a de Polignac number, because 788966768897 - 2¹² = 788966764801 is a prime.

It is not a weakly prime, because it can be changed into another prime (788966768197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 394483384448 + 394483384449.

It is an arithmetic number, because the mean of its divisors is an integer number (394483384449).

Almost surely, 2^788966768897 is an apocalyptic number.

It is an amenable number.

788966768897 is a deficient number, since it is larger than the sum of its proper divisors (1).

788966768897 is an equidigital number, since it uses as much as digits as its factorization.

788966768897 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24580620288, while the sum is 89.

The spelling of 788966768897 in words is "seven hundred eighty-eight billion, nine hundred sixty-six million, seven hundred sixty-eight thousand, eight hundred ninety-seven".