764465089 has 2 divisors, whose sum is σ = 764465090. Its totient is φ = 764465088.

The previous prime is 764465083. The next prime is 764465123. The reversal of 764465089 is 980564467.

764465089 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 546016689 + 218448400 = 23367^2 + 14780^2 .

It is an emirp because it is prime and its reverse (980564467) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 764465089 - 2¹³ = 764456897 is a prime.

It is not a weakly prime, because it can be changed into another prime (764465083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 382232544 + 382232545.

It is an arithmetic number, because the mean of its divisors is an integer number (382232545).

Almost surely, 2^764465089 is an apocalyptic number.

It is an amenable number.

764465089 is a deficient number, since it is larger than the sum of its proper divisors (1).

764465089 is an equidigital number, since it uses as much as digits as its factorization.

764465089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1451520, while the sum is 49.

The square root of 764465089 is about 27648.9618069106. The cubic root of 764465089 is about 914.3642109955.

The spelling of 764465089 in words is "seven hundred sixty-four million, four hundred sixty-five thousand, eighty-nine".