764895842 has 4 divisors (see below), whose sum is σ = 1147343766. Its totient is φ = 382447920.

The previous prime is 764895827. The next prime is 764895853. The reversal of 764895842 is 248598467.

764895842 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 408403681 + 356492161 = 20209^2 + 18881^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 191223959 + ... + 191223962.

Almost surely, 2^764895842 is an apocalyptic number.

764895842 is a deficient number, since it is larger than the sum of its proper divisors (382447924).

764895842 is a wasteful number, since it uses less digits than its factorization.

764895842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382447923.

The product of its digits is 3870720, while the sum is 53.

The square root of 764895842 is about 27656.7503875636. The cubic root of 764895842 is about 914.5359176257.

The spelling of 764895842 in words is "seven hundred sixty-four million, eight hundred ninety-five thousand, eight hundred forty-two".