64334087 has 2 divisors, whose sum is σ = 64334088. Its totient is φ = 64334086.

The previous prime is 64334051. The next prime is 64334099. The reversal of 64334087 is 78043346.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 64334087 - 2¹⁰ = 64333063 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64334027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32167043 + 32167044.

It is an arithmetic number, because the mean of its divisors is an integer number (32167044).

Almost surely, 2^64334087 is an apocalyptic number.

64334087 is a deficient number, since it is larger than the sum of its proper divisors (1).

64334087 is an equidigital number, since it uses as much as digits as its factorization.

64334087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48384, while the sum is 35.

The square root of 64334087 is about 8020.8532588497. The cubic root of 64334087 is about 400.6948069926.

The spelling of 64334087 in words is "sixty-four million, three hundred thirty-four thousand, eighty-seven".