264375765 has 32 divisors (see below), whose sum is σ = 474589440. Its totient is φ = 139624128.

The previous prime is 264375757. The next prime is 264375821. The reversal of 264375765 is 567573462.

It is not a de Polignac number, because 264375765 - 2³ = 264375757 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 264375765.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4399 + ... + 23411.

It is an arithmetic number, because the mean of its divisors is an integer number (14830920).

Almost surely, 2^264375765 is an apocalyptic number.

It is an amenable number.

264375765 is a deficient number, since it is larger than the sum of its proper divisors (210213675).

264375765 is a wasteful number, since it uses less digits than its factorization.

264375765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19130 (or 19124 counting only the distinct ones).

The product of its digits is 1058400, while the sum is 45.

The square root of 264375765 is about 16259.6360660379. The cubic root of 264375765 is about 641.8110851264.

The spelling of 264375765 in words is "two hundred sixty-four million, three hundred seventy-five thousand, seven hundred sixty-five".