264666879 has 8 divisors (see below), whose sum is σ = 392099120. Its totient is φ = 176444568.

The previous prime is 264666877. The next prime is 264666901. The reversal of 264666879 is 978666462.

It is not a de Polignac number, because 264666879 - 2¹ = 264666877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264666877) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4901212 + ... + 4901265.

It is an arithmetic number, because the mean of its divisors is an integer number (49012390).

Almost surely, 2^264666879 is an apocalyptic number.

264666879 is a deficient number, since it is larger than the sum of its proper divisors (127432241).

264666879 is an equidigital number, since it uses as much as digits as its factorization.

264666879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9802486 (or 9802480 counting only the distinct ones).

The product of its digits is 5225472, while the sum is 54.

The square root of 264666879 is about 16268.5856484207. The cubic root of 264666879 is about 642.0465727416.

The spelling of 264666879 in words is "two hundred sixty-four million, six hundred sixty-six thousand, eight hundred seventy-nine".