64879163 has 2 divisors, whose sum is σ = 64879164. Its totient is φ = 64879162.

The previous prime is 64879141. The next prime is 64879183. The reversal of 64879163 is 36197846.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 64879163 - 2⁶ = 64879099 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (64879103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32439581 + 32439582.

It is an arithmetic number, because the mean of its divisors is an integer number (32439582).

Almost surely, 2^64879163 is an apocalyptic number.

64879163 is a deficient number, since it is larger than the sum of its proper divisors (1).

64879163 is an equidigital number, since it uses as much as digits as its factorization.

64879163 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 217728, while the sum is 44.

The square root of 64879163 is about 8054.7602695549. The cubic root of 64879163 is about 401.8232662069.

The spelling of 64879163 in words is "sixty-four million, eight hundred seventy-nine thousand, one hundred sixty-three".