76772239417 has 2 divisors, whose sum is σ = 76772239418. Its totient is φ = 76772239416.

The previous prime is 76772239409. The next prime is 76772239433. The reversal of 76772239417 is 71493227767.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 66510346816 + 10261892601 = 257896^2 + 101301^2 .

It is a cyclic number.

It is not a de Polignac number, because 76772239417 - 2³ = 76772239409 is a prime.

It is not a weakly prime, because it can be changed into another prime (76772239447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38386119708 + 38386119709.

It is an arithmetic number, because the mean of its divisors is an integer number (38386119709).

Almost surely, 2^76772239417 is an apocalyptic number.

It is an amenable number.

76772239417 is a deficient number, since it is larger than the sum of its proper divisors (1).

76772239417 is an equidigital number, since it uses as much as digits as its factorization.

76772239417 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6223392, while the sum is 55.

The spelling of 76772239417 in words is "seventy-six billion, seven hundred seventy-two million, two hundred thirty-nine thousand, four hundred seventeen".