64755871 has 2 divisors, whose sum is σ = 64755872. Its totient is φ = 64755870.

The previous prime is 64755797. The next prime is 64755923. The reversal of 64755871 is 17855746.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 64755871 - 2¹⁷ = 64624799 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64755571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32377935 + 32377936.

It is an arithmetic number, because the mean of its divisors is an integer number (32377936).

Almost surely, 2^64755871 is an apocalyptic number.

64755871 is a deficient number, since it is larger than the sum of its proper divisors (1).

64755871 is an equidigital number, since it uses as much as digits as its factorization.

64755871 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 235200, while the sum is 43.

The square root of 64755871 is about 8047.1032676361. The cubic root of 64755871 is about 401.5685721631.

The spelling of 64755871 in words is "sixty-four million, seven hundred fifty-five thousand, eight hundred seventy-one".