788888888813 has 2 divisors, whose sum is σ = 788888888814. Its totient is φ = 788888888812.

The previous prime is 788888888743. The next prime is 788888888899. The reversal of 788888888813 is 318888888887.

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., 779932727044 + 8956161769 = 883138^2 + 94637^2 .

It is an emirp because it is prime and its reverse (318888888887) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 788888888813 - 2³⁶ = 720169412077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (788888888413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 394444444406 + 394444444407.

It is an arithmetic number, because the mean of its divisors is an integer number (394444444407).

Almost surely, 2^788888888813 is an apocalyptic number.

It is an amenable number.

788888888813 is a deficient number, since it is larger than the sum of its proper divisors (1).

788888888813 is an equidigital number, since it uses as much as digits as its factorization.

788888888813 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2818572288, while the sum is 83.

The spelling of 788888888813 in words is "seven hundred eighty-eight billion, eight hundred eighty-eight million, eight hundred eighty-eight thousand, eight hundred thirteen".