766574222475667 has 2 divisors, whose sum is σ = 766574222475668. Its totient is φ = 766574222475666.

The previous prime is 766574222475641. The next prime is 766574222475679.

766574222475667 is nontrivially palindromic in base 10.

It is a strong prime.

It is a palprime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-766574222475667 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 766574222475593 and 766574222475602.

It is not a weakly prime, because it can be changed into another prime (766574222475167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 383287111237833 + 383287111237834.

It is an arithmetic number, because the mean of its divisors is an integer number (383287111237834).

Almost surely, 2^{766574222475667} is an apocalyptic number.

766574222475667 is a deficient number, since it is larger than the sum of its proper divisors (1).

766574222475667 is an equidigital number, since it uses as much as digits as its factorization.

766574222475667 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9957427200, while the sum is 76.

The spelling of 766574222475667 in words is "seven hundred sixty-six trillion, five hundred seventy-four billion, two hundred twenty-two million, four hundred seventy-five thousand, six hundred sixty-seven".