76965517 has 2 divisors, whose sum is σ = 76965518. Its totient is φ = 76965516.

The previous prime is 76965481. The next prime is 76965557. The reversal of 76965517 is 71556967.

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., 74321641 + 2643876 = 8621^2 + 1626^2 .

It is an emirp because it is prime and its reverse (71556967) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 76965517 - 2⁷ = 76965389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (76965557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38482758 + 38482759.

It is an arithmetic number, because the mean of its divisors is an integer number (38482759).

Almost surely, 2^76965517 is an apocalyptic number.

It is an amenable number.

76965517 is a deficient number, since it is larger than the sum of its proper divisors (1).

76965517 is an equidigital number, since it uses as much as digits as its factorization.

76965517 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 396900, while the sum is 46.

The square root of 76965517 is about 8772.9993160834. Note that the first 3 decimals coincide. The cubic root of 76965517 is about 425.3685697794.

The spelling of 76965517 in words is "seventy-six million, nine hundred sixty-five thousand, five hundred seventeen".