764425199 has 4 divisors (see below), whose sum is σ = 765293760. Its totient is φ = 763556640.

The previous prime is 764425163. The next prime is 764425223. The reversal of 764425199 is 991524467.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 991524467 = 20939 ⋅47353.

It is a cyclic number.

It is not a de Polignac number, because 764425199 - 2¹⁶ = 764359663 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (764425139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 432959 + ... + 434720.

It is an arithmetic number, because the mean of its divisors is an integer number (191323440).

Almost surely, 2^764425199 is an apocalyptic number.

764425199 is a deficient number, since it is larger than the sum of its proper divisors (868561).

764425199 is an equidigital number, since it uses as much as digits as its factorization.

764425199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 868560.

The product of its digits is 544320, while the sum is 47.

The square root of 764425199 is about 27648.2404322590. The cubic root of 764425199 is about 914.3483067930.

The spelling of 764425199 in words is "seven hundred sixty-four million, four hundred twenty-five thousand, one hundred ninety-nine".