764467117 has 2 divisors, whose sum is σ = 764467118. Its totient is φ = 764467116.

The previous prime is 764467087. The next prime is 764467141. The reversal of 764467117 is 711764467.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 736525321 + 27941796 = 27139^2 + 5286^2 .

It is a cyclic number.

It is not a de Polignac number, because 764467117 - 2²³ = 756078509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (764467157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 382233558 + 382233559.

It is an arithmetic number, because the mean of its divisors is an integer number (382233559).

Almost surely, 2^764467117 is an apocalyptic number.

It is an amenable number.

764467117 is a deficient number, since it is larger than the sum of its proper divisors (1).

764467117 is an equidigital number, since it uses as much as digits as its factorization.

764467117 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 197568, while the sum is 43.

The square root of 764467117 is about 27648.9984809577. The cubic root of 764467117 is about 914.3650195473.

The spelling of 764467117 in words is "seven hundred sixty-four million, four hundred sixty-seven thousand, one hundred seventeen".