766570322417 has 24 divisors (see below), whose sum is σ = 837818954280. Its totient is φ = 700840408320.

The previous prime is 766570322407. The next prime is 766570322423. The reversal of 766570322417 is 714223075667.

It can be written as a sum of positive squares in 4 ways, for example, as 999571456 + 765570750961 = 31616^2 + 874969^2 .

It is not a de Polignac number, because 766570322417 - 2¹² = 766570318321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (766570322407) 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 in 23 ways as a sum of consecutive naturals, for example, 838709 + ... + 1495517.

It is an arithmetic number, because the mean of its divisors is an integer number (34909123095).

Almost surely, 2^766570322417 is an apocalyptic number.

It is an amenable number.

766570322417 is a deficient number, since it is larger than the sum of its proper divisors (71248631863).

766570322417 is a wasteful number, since it uses less digits than its factorization.

766570322417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 656961 (or 656942 counting only the distinct ones).

The product of its (nonzero) digits is 2963520, while the sum is 50.

The spelling of 766570322417 in words is "seven hundred sixty-six billion, five hundred seventy million, three hundred twenty-two thousand, four hundred seventeen".