764008893 has 12 divisors (see below), whose sum is σ = 1133395068. Its totient is φ = 495573120.

The previous prime is 764008879. The next prime is 764008901. The reversal of 764008893 is 398800467.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 281635524 + 482373369 = 16782^2 + 21963^2 .

It is not a de Polignac number, because 764008893 - 2¹⁰ = 764007869 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (764008793) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1146828 + ... + 1147493.

It is an arithmetic number, because the mean of its divisors is an integer number (94449589).

Almost surely, 2^764008893 is an apocalyptic number.

It is an amenable number.

764008893 is a deficient number, since it is larger than the sum of its proper divisors (369386175).

764008893 is a wasteful number, since it uses less digits than its factorization.

764008893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2294364 (or 2294361 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 764008893 is about 27640.7107904265. The cubic root of 764008893 is about 914.1822919415.

The spelling of 764008893 in words is "seven hundred sixty-four million, eight thousand, eight hundred ninety-three".