264738817 has 12 divisors (see below), whose sum is σ = 310319856. Its totient is φ = 225181320.

The previous prime is 264738757. The next prime is 264738823. The reversal of 264738817 is 718837462.

It is not a de Polignac number, because 264738817 - 2¹⁵ = 264706049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (264736817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14203 + ... + 27040.

It is an arithmetic number, because the mean of its divisors is an integer number (25859988).

Almost surely, 2^264738817 is an apocalyptic number.

It is an amenable number.

264738817 is a deficient number, since it is larger than the sum of its proper divisors (45581039).

264738817 is a wasteful number, since it uses less digits than its factorization.

264738817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41388 (or 41381 counting only the distinct ones).

The product of its digits is 451584, while the sum is 46.

The square root of 264738817 is about 16270.7964463944. The cubic root of 264738817 is about 642.1047381386.

The spelling of 264738817 in words is "two hundred sixty-four million, seven hundred thirty-eight thousand, eight hundred seventeen".