76165828217 has 2 divisors, whose sum is σ = 76165828218. Its totient is φ = 76165828216.

The previous prime is 76165828213. The next prime is 76165828301. The reversal of 76165828217 is 71282856167.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 68780832121 + 7384996096 = 262261^2 + 85936^2 .

It is a cyclic number.

It is not a de Polignac number, because 76165828217 - 2² = 76165828213 is a prime.

It is not a weakly prime, because it can be changed into another prime (76165828213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38082914108 + 38082914109.

It is an arithmetic number, because the mean of its divisors is an integer number (38082914109).

Almost surely, 2^76165828217 is an apocalyptic number.

It is an amenable number.

76165828217 is a deficient number, since it is larger than the sum of its proper divisors (1).

76165828217 is an equidigital number, since it uses as much as digits as its factorization.

76165828217 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2257920, while the sum is 53.

The spelling of 76165828217 in words is "seventy-six billion, one hundred sixty-five million, eight hundred twenty-eight thousand, two hundred seventeen".