264873839 has 4 divisors (see below), whose sum is σ = 264924840. Its totient is φ = 264822840.

The previous prime is 264873823. The next prime is 264873841. The reversal of 264873839 is 938378462.

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 264873839 - 2⁴ = 264873823 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 (264876839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16697 + ... + 28434.

It is an arithmetic number, because the mean of its divisors is an integer number (66231210).

Almost surely, 2^264873839 is an apocalyptic number.

264873839 is a deficient number, since it is larger than the sum of its proper divisors (51001).

264873839 is an equidigital number, since it uses as much as digits as its factorization.

264873839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51000.

The product of its digits is 1741824, while the sum is 50.

The square root of 264873839 is about 16274.9451304759. The cubic root of 264873839 is about 642.2138815979.

The spelling of 264873839 in words is "two hundred sixty-four million, eight hundred seventy-three thousand, eight hundred thirty-nine".