264090871 has 4 divisors (see below), whose sum is σ = 288099144. Its totient is φ = 240082600.

The previous prime is 264090863. The next prime is 264090889. The reversal of 264090871 is 178090462.

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 264090871 - 2³ = 264090863 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 264090871.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264090851) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12004120 + ... + 12004141.

It is an arithmetic number, because the mean of its divisors is an integer number (72024786).

Almost surely, 2^264090871 is an apocalyptic number.

264090871 is a deficient number, since it is larger than the sum of its proper divisors (24008273).

264090871 is a wasteful number, since it uses less digits than its factorization.

264090871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24008272.

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 264090871 is about 16250.8729303998. The cubic root of 264090871 is about 641.5804615588.

The spelling of 264090871 in words is "two hundred sixty-four million, ninety thousand, eight hundred seventy-one".