4066199987 has 2 divisors, whose sum is σ = 4066199988. Its totient is φ = 4066199986.

The previous prime is 4066199981. The next prime is 4066199999. The reversal of 4066199987 is 7899916604.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4066199987 is a prime.

It is not a weakly prime, because it can be changed into another prime (4066199981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2033099993 + 2033099994.

It is an arithmetic number, because the mean of its divisors is an integer number (2033099994).

Almost surely, 2^4066199987 is an apocalyptic number.

4066199987 is a deficient number, since it is larger than the sum of its proper divisors (1).

4066199987 is an equidigital number, since it uses as much as digits as its factorization.

4066199987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5878656, while the sum is 59.

The square root of 4066199987 is about 63766.7624001721. The cubic root of 4066199987 is about 1596.1103417356.

The spelling of 4066199987 in words is "four billion, sixty-six million, one hundred ninety-nine thousand, nine hundred eighty-seven".