264630879 has 24 divisors (see below), whose sum is σ = 404966640. Its totient is φ = 166053888.

The previous prime is 264630791. The next prime is 264630881. The reversal of 264630879 is 978036462.

264630879 is a `hidden beast` number, since 2 + 6 + 4 + 630 + 8 + 7 + 9 = 666.

It is not a de Polignac number, because 264630879 - 2²¹ = 262533727 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264630889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21919 + ... + 31775.

It is an arithmetic number, because the mean of its divisors is an integer number (16873610).

Almost surely, 2^264630879 is an apocalyptic number.

264630879 is a deficient number, since it is larger than the sum of its proper divisors (140335761).

264630879 is a wasteful number, since it uses less digits than its factorization.

264630879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10039 (or 10036 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 45.

The square root of 264630879 is about 16267.4791839424. The cubic root of 264630879 is about 642.0174610210.

The spelling of 264630879 in words is "two hundred sixty-four million, six hundred thirty thousand, eight hundred seventy-nine".