64279559 has 2 divisors, whose sum is σ = 64279560. Its totient is φ = 64279558.

The previous prime is 64279541. The next prime is 64279561. The reversal of 64279559 is 95597246.

64279559 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 64279559 - 2¹⁶ = 64214023 is a prime.

Together with 64279561, it forms a pair of twin primes.

It is a Chen prime.

It is a plaindrome in base 15.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64279529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32139779 + 32139780.

It is an arithmetic number, because the mean of its divisors is an integer number (32139780).

Almost surely, 2^64279559 is an apocalyptic number.

64279559 is a deficient number, since it is larger than the sum of its proper divisors (1).

64279559 is an equidigital number, since it uses as much as digits as its factorization.

64279559 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 680400, while the sum is 47.

The square root of 64279559 is about 8017.4533986797. The cubic root of 64279559 is about 400.5815686184.

The spelling of 64279559 in words is "sixty-four million, two hundred seventy-nine thousand, five hundred fifty-nine".