64006588787 has 2 divisors, whose sum is σ = 64006588788. Its totient is φ = 64006588786.

The previous prime is 64006588781. The next prime is 64006588819. The reversal of 64006588787 is 78788560046.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 64006588787 - 2²² = 64002394483 is a prime.

It is a super-2 number, since 2×64006588787² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (64006588781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32003294393 + 32003294394.

It is an arithmetic number, because the mean of its divisors is an integer number (32003294394).

Almost surely, 2^64006588787 is an apocalyptic number.

64006588787 is a deficient number, since it is larger than the sum of its proper divisors (1).

64006588787 is an equidigital number, since it uses as much as digits as its factorization.

64006588787 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18063360, while the sum is 59.

The spelling of 64006588787 in words is "sixty-four billion, six million, five hundred eighty-eight thousand, seven hundred eighty-seven".