64336087 has 2 divisors, whose sum is σ = 64336088. Its totient is φ = 64336086.

The previous prime is 64336079. The next prime is 64336157. The reversal of 64336087 is 78063346.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 64336087 - 2³ = 64336079 is a prime.

It is equal to p_3803788 and since 64336087 and 3803788 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64336057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32168043 + 32168044.

It is an arithmetic number, because the mean of its divisors is an integer number (32168044).

Almost surely, 2^64336087 is an apocalyptic number.

64336087 is a deficient number, since it is larger than the sum of its proper divisors (1).

64336087 is an equidigital number, since it uses as much as digits as its factorization.

64336087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72576, while the sum is 37.

The square root of 64336087 is about 8020.9779328957. The cubic root of 64336087 is about 400.6989591788.

The spelling of 64336087 in words is "sixty-four million, three hundred thirty-six thousand, eighty-seven".