764808479 has 2 divisors, whose sum is σ = 764808480. Its totient is φ = 764808478.

The previous prime is 764808437. The next prime is 764808481. The reversal of 764808479 is 974808467.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 764808479 - 2²⁰ = 763759903 is a prime.

Together with 764808481, it forms a pair of twin primes.

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 764808479.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (764828479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 382404239 + 382404240.

It is an arithmetic number, because the mean of its divisors is an integer number (382404240).

Almost surely, 2^764808479 is an apocalyptic number.

764808479 is a deficient number, since it is larger than the sum of its proper divisors (1).

764808479 is an equidigital number, since it uses as much as digits as its factorization.

764808479 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2709504, while the sum is 53.

The square root of 764808479 is about 27655.1709269713. The cubic root of 764808479 is about 914.5010982255.

The spelling of 764808479 in words is "seven hundred sixty-four million, eight hundred eight thousand, four hundred seventy-nine".