264967815 has 16 divisors (see below), whose sum is σ = 484512768. Its totient is φ = 121128096.

The previous prime is 264967741. The next prime is 264967823. The reversal of 264967815 is 518769462.

It is not a de Polignac number, because 264967815 - 2¹⁴ = 264951431 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1261647 + ... + 1261856.

It is an arithmetic number, because the mean of its divisors is an integer number (30282048).

Almost surely, 2^264967815 is an apocalyptic number.

264967815 is a deficient number, since it is larger than the sum of its proper divisors (219544953).

264967815 is a wasteful number, since it uses less digits than its factorization.

264967815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2523518.

The product of its digits is 725760, while the sum is 48.

The square root of 264967815 is about 16277.8320116654. The cubic root of 264967815 is about 642.2898241117.

The spelling of 264967815 in words is "two hundred sixty-four million, nine hundred sixty-seven thousand, eight hundred fifteen".