264822847 has 2 divisors, whose sum is σ = 264822848. Its totient is φ = 264822846.

The previous prime is 264822797. The next prime is 264822881. The reversal of 264822847 is 748228462.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-264822847 is a prime.

It is a super-2 number, since 2×264822847² = 140262280586370818, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (264822647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132411423 + 132411424.

It is an arithmetic number, because the mean of its divisors is an integer number (132411424).

Almost surely, 2^264822847 is an apocalyptic number.

264822847 is a deficient number, since it is larger than the sum of its proper divisors (1).

264822847 is an equidigital number, since it uses as much as digits as its factorization.

264822847 is an evil number, because the sum of its binary digits is even.

The product of its digits is 344064, while the sum is 43.

The square root of 264822847 is about 16273.3784752890. The cubic root of 264822847 is about 642.1726671690.

The spelling of 264822847 in words is "two hundred sixty-four million, eight hundred twenty-two thousand, eight hundred forty-seven".