64879 has 2 divisors, whose sum is σ = 64880. Its totient is φ = 64878.

The previous prime is 64877. The next prime is 64891. The reversal of 64879 is 97846.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 64879 - 2¹ = 64877 is a prime.

Together with 64877, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64871) 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, 32439 + 32440.

It is an arithmetic number, because the mean of its divisors is an integer number (32440).

2⁶⁴⁸⁷⁹ is an apocalyptic number.

64879 is a deficient number, since it is larger than the sum of its proper divisors (1).

64879 is an equidigital number, since it uses as much as digits as its factorization.

64879 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12096, while the sum is 34.

The square root of 64879 is about 254.7135646172. The cubic root of 64879 is about 40.1822929698.

It can be divided in two parts, 648 and 79, that added together give a palindrome (727).

The spelling of 64879 in words is "sixty-four thousand, eight hundred seventy-nine".