264568979 has 2 divisors, whose sum is σ = 264568980. Its totient is φ = 264568978.

The previous prime is 264568897. The next prime is 264568991. The reversal of 264568979 is 979865462.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-264568979 is a prime.

It is a super-3 number, since 3×264568979³ (a number of 26 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (264568679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132284489 + 132284490.

It is an arithmetic number, because the mean of its divisors is an integer number (132284490).

Almost surely, 2^264568979 is an apocalyptic number.

264568979 is a deficient number, since it is larger than the sum of its proper divisors (1).

264568979 is an equidigital number, since it uses as much as digits as its factorization.

264568979 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6531840, while the sum is 56.

The square root of 264568979 is about 16265.5765037702. The cubic root of 264568979 is about 641.9673988615.

The spelling of 264568979 in words is "two hundred sixty-four million, five hundred sixty-eight thousand, nine hundred seventy-nine".