64002871 has 2 divisors, whose sum is σ = 64002872. Its totient is φ = 64002870.

The previous prime is 64002863. The next prime is 64002881. The reversal of 64002871 is 17820046.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 64002871 - 2³ = 64002863 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64002821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32001435 + 32001436.

It is an arithmetic number, because the mean of its divisors is an integer number (32001436).

Almost surely, 2^64002871 is an apocalyptic number.

64002871 is a deficient number, since it is larger than the sum of its proper divisors (1).

64002871 is an equidigital number, since it uses as much as digits as its factorization.

64002871 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 64002871 is about 8000.1794354877. The cubic root of 64002871 is about 400.0059811606.

The spelling of 64002871 in words is "sixty-four million, two thousand, eight hundred seventy-one".