264888905 has 8 divisors (see below), whose sum is σ = 325619784. Its totient is φ = 206742400.

The previous prime is 264888863. The next prime is 264888913. The reversal of 264888905 is 509888462.

It can be written as a sum of positive squares in 4 ways, for example, as 241081 + 264647824 = 491^2 + 16268^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-264888905 is a prime.

It is a super-2 number, since 2×264888905² = 140332263984198050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 645866 + ... + 646275.

It is an arithmetic number, because the mean of its divisors is an integer number (40702473).

Almost surely, 2^264888905 is an apocalyptic number.

It is an amenable number.

264888905 is a deficient number, since it is larger than the sum of its proper divisors (60730879).

264888905 is a wasteful number, since it uses less digits than its factorization.

264888905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1292187.

The product of its (nonzero) digits is 1105920, while the sum is 50.

The square root of 264888905 is about 16275.4079825975. The cubic root of 264888905 is about 642.2260577228.

The spelling of 264888905 in words is "two hundred sixty-four million, eight hundred eighty-eight thousand, nine hundred five".