76966237549 has 2 divisors, whose sum is σ = 76966237550. Its totient is φ = 76966237548.

The previous prime is 76966237541. The next prime is 76966237553. The reversal of 76966237549 is 94573266967.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48309842025 + 28656395524 = 219795^2 + 169282^2 .

It is a cyclic number.

It is not a de Polignac number, because 76966237549 - 2³ = 76966237541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (76966237541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38483118774 + 38483118775.

It is an arithmetic number, because the mean of its divisors is an integer number (38483118775).

Almost surely, 2^76966237549 is an apocalyptic number.

It is an amenable number.

76966237549 is a deficient number, since it is larger than the sum of its proper divisors (1).

76966237549 is an equidigital number, since it uses as much as digits as its factorization.

76966237549 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 102876480, while the sum is 64.

The spelling of 76966237549 in words is "seventy-six billion, nine hundred sixty-six million, two hundred thirty-seven thousand, five hundred forty-nine".