264879715 has 4 divisors (see below), whose sum is σ = 317855664. Its totient is φ = 211903768.

The previous prime is 264879683. The next prime is 264879731. The reversal of 264879715 is 517978462.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 264879715 - 2⁵ = 264879683 is a prime.

It is a super-2 number, since 2×264879715² = 140322526836962450, which contains 22 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26487967 + ... + 26487976.

It is an arithmetic number, because the mean of its divisors is an integer number (79463916).

Almost surely, 2^264879715 is an apocalyptic number.

264879715 is a deficient number, since it is larger than the sum of its proper divisors (52975949).

264879715 is an equidigital number, since it uses as much as digits as its factorization.

264879715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52975948.

The product of its digits is 846720, while the sum is 49.

The square root of 264879715 is about 16275.1256523567. The cubic root of 264879715 is about 642.2186305516.

The spelling of 264879715 in words is "two hundred sixty-four million, eight hundred seventy-nine thousand, seven hundred fifteen".