764116247 has 2 divisors, whose sum is σ = 764116248. Its totient is φ = 764116246.

The previous prime is 764116231. The next prime is 764116291. The reversal of 764116247 is 742611467.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 764116247 - 2⁴ = 764116231 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 764116247.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (764113247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 382058123 + 382058124.

It is an arithmetic number, because the mean of its divisors is an integer number (382058124).

Almost surely, 2^764116247 is an apocalyptic number.

764116247 is a deficient number, since it is larger than the sum of its proper divisors (1).

764116247 is an equidigital number, since it uses as much as digits as its factorization.

764116247 is an evil number, because the sum of its binary digits is even.

The product of its digits is 56448, while the sum is 38.

The square root of 764116247 is about 27642.6526766155. The cubic root of 764116247 is about 914.2251084280.

The spelling of 764116247 in words is "seven hundred sixty-four million, one hundred sixteen thousand, two hundred forty-seven".