264872887 has 2 divisors, whose sum is σ = 264872888. Its totient is φ = 264872886.

The previous prime is 264872873. The next prime is 264872917. The reversal of 264872887 is 788278462.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 264872887 - 2¹⁵ = 264840119 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (264872857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132436443 + 132436444.

It is an arithmetic number, because the mean of its divisors is an integer number (132436444).

Almost surely, 2^264872887 is an apocalyptic number.

264872887 is a deficient number, since it is larger than the sum of its proper divisors (1).

264872887 is an equidigital number, since it uses as much as digits as its factorization.

264872887 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2408448, while the sum is 52.

The square root of 264872887 is about 16274.9158830392. The cubic root of 264872887 is about 642.2131121896.

The spelling of 264872887 in words is "two hundred sixty-four million, eight hundred seventy-two thousand, eight hundred eighty-seven".