264387427 has 8 divisors (see below), whose sum is σ = 268606800. Its totient is φ = 260176224.

The previous prime is 264387401. The next prime is 264387439. The reversal of 264387427 is 724783462.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 264387427 - 2¹⁵ = 264354659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (264387727) 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, 113349 + ... + 115657.

It is an arithmetic number, because the mean of its divisors is an integer number (33575850).

Almost surely, 2^264387427 is an apocalyptic number.

264387427 is a deficient number, since it is larger than the sum of its proper divisors (4219373).

264387427 is a wasteful number, since it uses less digits than its factorization.

264387427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4085.

The product of its digits is 451584, while the sum is 43.

The square root of 264387427 is about 16259.9946801959. The cubic root of 264387427 is about 641.8205220615.

The spelling of 264387427 in words is "two hundred sixty-four million, three hundred eighty-seven thousand, four hundred twenty-seven".