264779 has 2 divisors, whose sum is σ = 264780. Its totient is φ = 264778.

The previous prime is 264769. The next prime is 264787. The reversal of 264779 is 977462.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 264779 - 2⁴ = 264763 is a prime.

It is a Chen prime.

It is a d-powerful number, because it can be written as 2 + 6³ + 7 + 4⁹ + 7⁴ + 9 .

It is not a weakly prime, because it can be changed into another prime (264739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132389 + 132390.

It is an arithmetic number, because the mean of its divisors is an integer number (132390).

2²⁶⁴⁷⁷⁹ is an apocalyptic number.

264779 is a deficient number, since it is larger than the sum of its proper divisors (1).

264779 is an equidigital number, since it uses as much as digits as its factorization.

264779 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21168, while the sum is 35.

The square root of 264779 is about 514.5668081017. The cubic root of 264779 is about 64.2137223476.

The spelling of 264779 in words is "two hundred sixty-four thousand, seven hundred seventy-nine".