764902420567 has 2 divisors, whose sum is σ = 764902420568. Its totient is φ = 764902420566.

The previous prime is 764902420519. The next prime is 764902420577. The reversal of 764902420567 is 765024209467.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-764902420567 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (764902420507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 382451210283 + 382451210284.

It is an arithmetic number, because the mean of its divisors is an integer number (382451210284).

Almost surely, 2^764902420567 is an apocalyptic number.

764902420567 is a deficient number, since it is larger than the sum of its proper divisors (1).

764902420567 is an equidigital number, since it uses as much as digits as its factorization.

764902420567 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5080320, while the sum is 52.

The spelling of 764902420567 in words is "seven hundred sixty-four billion, nine hundred two million, four hundred twenty thousand, five hundred sixty-seven".