64966087 has 2 divisors, whose sum is σ = 64966088. Its totient is φ = 64966086.

The previous prime is 64966067. The next prime is 64966093. The reversal of 64966087 is 78066946.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64966087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64966067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32483043 + 32483044.

It is an arithmetic number, because the mean of its divisors is an integer number (32483044).

Almost surely, 2^64966087 is an apocalyptic number.

64966087 is a deficient number, since it is larger than the sum of its proper divisors (1).

64966087 is an equidigital number, since it uses as much as digits as its factorization.

64966087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 435456, while the sum is 46.

The square root of 64966087 is about 8060.1542789205. The cubic root of 64966087 is about 402.0026381187.

The spelling of 64966087 in words is "sixty-four million, nine hundred sixty-six thousand, eighty-seven".