64066487 has 2 divisors, whose sum is σ = 64066488. Its totient is φ = 64066486.

The previous prime is 64066459. The next prime is 64066549. The reversal of 64066487 is 78466046.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 64066487 - 2¹⁸ = 63804343 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64066417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32033243 + 32033244.

It is an arithmetic number, because the mean of its divisors is an integer number (32033244).

Almost surely, 2^64066487 is an apocalyptic number.

64066487 is a deficient number, since it is larger than the sum of its proper divisors (1).

64066487 is an equidigital number, since it uses as much as digits as its factorization.

64066487 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 193536, while the sum is 41.

The square root of 64066487 is about 8004.1543588314. The cubic root of 64066487 is about 400.1384666453.

The spelling of 64066487 in words is "sixty-four million, sixty-six thousand, four hundred eighty-seven".