64807087 has 2 divisors, whose sum is σ = 64807088. Its totient is φ = 64807086.

The previous prime is 64807073. The next prime is 64807109. The reversal of 64807087 is 78070846.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64807087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64807027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32403543 + 32403544.

It is an arithmetic number, because the mean of its divisors is an integer number (32403544).

Almost surely, 2^64807087 is an apocalyptic number.

64807087 is a deficient number, since it is larger than the sum of its proper divisors (1).

64807087 is an equidigital number, since it uses as much as digits as its factorization.

64807087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 75264, while the sum is 40.

The square root of 64807087 is about 8050.2849017907. The cubic root of 64807087 is about 401.6744123282.

The spelling of 64807087 in words is "sixty-four million, eight hundred seven thousand, eighty-seven".