788997500969 has 2 divisors, whose sum is σ = 788997500970. Its totient is φ = 788997500968.

The previous prime is 788997500927. The next prime is 788997500983. The reversal of 788997500969 is 969005799887.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 398918560000 + 390078940969 = 631600^2 + 624563^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-788997500969 is a prime.

It is a super-2 number, since 2×788997500969² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 788997500969.

It is not a weakly prime, because it can be changed into another prime (788997508969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 394498750484 + 394498750485.

It is an arithmetic number, because the mean of its divisors is an integer number (394498750485).

Almost surely, 2^788997500969 is an apocalyptic number.

It is an amenable number.

788997500969 is a deficient number, since it is larger than the sum of its proper divisors (1).

788997500969 is an equidigital number, since it uses as much as digits as its factorization.

788997500969 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 617258880, while the sum is 77.

The spelling of 788997500969 in words is "seven hundred eighty-eight billion, nine hundred ninety-seven million, five hundred thousand, nine hundred sixty-nine".