264695087 has 2 divisors, whose sum is σ = 264695088. Its totient is φ = 264695086.

The previous prime is 264695033. The next prime is 264695111. The reversal of 264695087 is 780596462.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 264695087 - 2¹² = 264690991 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (264698087) 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 as a sum of consecutive naturals, namely, 132347543 + 132347544.

It is an arithmetic number, because the mean of its divisors is an integer number (132347544).

Almost surely, 2^264695087 is an apocalyptic number.

264695087 is a deficient number, since it is larger than the sum of its proper divisors (1).

264695087 is an equidigital number, since it uses as much as digits as its factorization.

264695087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 725760, while the sum is 47.

The square root of 264695087 is about 16269.4525722287. The cubic root of 264695087 is about 642.0693815474.

The spelling of 264695087 in words is "two hundred sixty-four million, six hundred ninety-five thousand, eighty-seven".