264866087 has 4 divisors (see below), whose sum is σ = 269208216. Its totient is φ = 260523960.

The previous prime is 264866083. The next prime is 264866089. The reversal of 264866087 is 780668462.

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 264866087 - 2² = 264866083 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 (264866081) 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, 2170973 + ... + 2171094.

It is an arithmetic number, because the mean of its divisors is an integer number (67302054).

Almost surely, 2^264866087 is an apocalyptic number.

264866087 is a deficient number, since it is larger than the sum of its proper divisors (4342129).

264866087 is an equidigital number, since it uses as much as digits as its factorization.

264866087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4342128.

The product of its (nonzero) digits is 774144, while the sum is 47.

The square root of 264866087 is about 16274.7069712484. The cubic root of 264866087 is about 642.2076163628.

The spelling of 264866087 in words is "two hundred sixty-four million, eight hundred sixty-six thousand, eighty-seven".