264916787 has 2 divisors, whose sum is σ = 264916788. Its totient is φ = 264916786.

The previous prime is 264916693. The next prime is 264916789. The reversal of 264916787 is 787619462.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-264916787 is a prime.

Together with 264916789, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (264916789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132458393 + 132458394.

It is an arithmetic number, because the mean of its divisors is an integer number (132458394).

Almost surely, 2^264916787 is an apocalyptic number.

264916787 is a deficient number, since it is larger than the sum of its proper divisors (1).

264916787 is an equidigital number, since it uses as much as digits as its factorization.

264916787 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1016064, while the sum is 50.

The square root of 264916787 is about 16276.2645284476. The cubic root of 264916787 is about 642.2485903373.

The spelling of 264916787 in words is "two hundred sixty-four million, nine hundred sixteen thousand, seven hundred eighty-seven".