76963998569 has 2 divisors, whose sum is σ = 76963998570. Its totient is φ = 76963998568.

The previous prime is 76963998431. The next prime is 76963998583. The reversal of 76963998569 is 96589936967.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44963082025 + 32000916544 = 212045^2 + 178888^2 .

It is a cyclic number.

It is not a de Polignac number, because 76963998569 - 2²⁰ = 76962949993 is a prime.

It is a super-2 number, since 2×76963998569² (a number of 23 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 76963998569.

It is not a weakly prime, because it can be changed into another prime (76963958569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38481999284 + 38481999285.

It is an arithmetic number, because the mean of its divisors is an integer number (38481999285).

Almost surely, 2^76963998569 is an apocalyptic number.

It is an amenable number.

76963998569 is a deficient number, since it is larger than the sum of its proper divisors (1).

76963998569 is an equidigital number, since it uses as much as digits as its factorization.

76963998569 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1190427840, while the sum is 77.

The spelling of 76963998569 in words is "seventy-six billion, nine hundred sixty-three million, nine hundred ninety-eight thousand, five hundred sixty-nine".