76145513538217 has 2 divisors, whose sum is σ = 76145513538218. Its totient is φ = 76145513538216.

The previous prime is 76145513538139. The next prime is 76145513538239. The reversal of 76145513538217 is 71283531554167.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38332988180496 + 37812525357721 = 6191364^2 + 6149189^2 .

It is a cyclic number.

It is not a de Polignac number, because 76145513538217 - 2⁷ = 76145513538089 is a prime.

It is not a weakly prime, because it can be changed into another prime (76145513538287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38072756769108 + 38072756769109.

It is an arithmetic number, because the mean of its divisors is an integer number (38072756769109).

Almost surely, 2^{76145513538217} is an apocalyptic number.

It is an amenable number.

76145513538217 is a deficient number, since it is larger than the sum of its proper divisors (1).

76145513538217 is an equidigital number, since it uses as much as digits as its factorization.

76145513538217 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21168000, while the sum is 58.

The spelling of 76145513538217 in words is "seventy-six trillion, one hundred forty-five billion, five hundred thirteen million, five hundred thirty-eight thousand, two hundred seventeen".