264478339 has 2 divisors, whose sum is σ = 264478340. Its totient is φ = 264478338.

The previous prime is 264478327. The next prime is 264478349. The reversal of 264478339 is 933874462.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 264478339 - 2⁷ = 264478211 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (264478349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132239169 + 132239170.

It is an arithmetic number, because the mean of its divisors is an integer number (132239170).

Almost surely, 2^264478339 is an apocalyptic number.

264478339 is a deficient number, since it is larger than the sum of its proper divisors (1).

264478339 is an equidigital number, since it uses as much as digits as its factorization.

264478339 is an evil number, because the sum of its binary digits is even.

The product of its digits is 870912, while the sum is 46.

The square root of 264478339 is about 16262.7900127869. The cubic root of 264478339 is about 641.8940788884.

The spelling of 264478339 in words is "two hundred sixty-four million, four hundred seventy-eight thousand, three hundred thirty-nine".