787998707899759 has 2 divisors, whose sum is σ = 787998707899760. Its totient is φ = 787998707899758.

The previous prime is 787998707899727. The next prime is 787998707899787. The reversal of 787998707899759 is 957998707899787.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 787998707899759 - 2⁵ = 787998707899727 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (787998707899789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 393999353949879 + 393999353949880.

It is an arithmetic number, because the mean of its divisors is an integer number (393999353949880).

Almost surely, 2^{787998707899759} is an apocalyptic number.

787998707899759 is a deficient number, since it is larger than the sum of its proper divisors (1).

787998707899759 is an equidigital number, since it uses as much as digits as its factorization.

787998707899759 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2540637550080, while the sum is 109.

The spelling of 787998707899759 in words is "seven hundred eighty-seven trillion, nine hundred ninety-eight billion, seven hundred seven million, eight hundred ninety-nine thousand, seven hundred fifty-nine".