764489911 has 2 divisors, whose sum is σ = 764489912. Its totient is φ = 764489910.

The previous prime is 764489863. The next prime is 764489959. The reversal of 764489911 is 119984467.

764489911 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (764489863) and next prime (764489959).

It is a cyclic number.

It is not a de Polignac number, because 764489911 - 2⁷ = 764489783 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (764480911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 382244955 + 382244956.

It is an arithmetic number, because the mean of its divisors is an integer number (382244956).

Almost surely, 2^764489911 is an apocalyptic number.

764489911 is a deficient number, since it is larger than the sum of its proper divisors (1).

764489911 is an equidigital number, since it uses as much as digits as its factorization.

764489911 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 435456, while the sum is 49.

The square root of 764489911 is about 27649.4106808807. The cubic root of 764489911 is about 914.3741072847.

The spelling of 764489911 in words is "seven hundred sixty-four million, four hundred eighty-nine thousand, nine hundred eleven".