264000085 has 4 divisors (see below), whose sum is σ = 316800108. Its totient is φ = 211200064.

The previous prime is 264000083. The next prime is 264000101. The reversal of 264000085 is 580000462.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 188952516 + 75047569 = 13746^2 + 8663^2 .

It is a cyclic number.

It is not a de Polignac number, because 264000085 - 2¹ = 264000083 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 (264000083) 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, 26400004 + ... + 26400013.

It is an arithmetic number, because the mean of its divisors is an integer number (79200027).

Almost surely, 2^264000085 is an apocalyptic number.

It is an amenable number.

264000085 is a deficient number, since it is larger than the sum of its proper divisors (52800023).

264000085 is an equidigital number, since it uses as much as digits as its factorization.

264000085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52800022.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 264000085 is about 16248.0794249659. The cubic root of 264000085 is about 641.5069348477.

The spelling of 264000085 in words is "two hundred sixty-four million, eighty-five", and thus it is an aban number.