4066203987 has 24 divisors (see below), whose sum is σ = 6020396928. Its totient is φ = 2643043200.

The previous prime is 4066203983. The next prime is 4066203989. The reversal of 4066203987 is 7893026604.

It is not a de Polignac number, because 4066203987 - 2² = 4066203983 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4066203983) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 953953 + ... + 958205.

It is an arithmetic number, because the mean of its divisors is an integer number (250849872).

Almost surely, 2^4066203987 is an apocalyptic number.

4066203987 is a deficient number, since it is larger than the sum of its proper divisors (1954192941).

4066203987 is a wasteful number, since it uses less digits than its factorization.

4066203987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6891 (or 6888 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 45.

The square root of 4066203987 is about 63766.7937644665. The cubic root of 4066203987 is about 1596.1108651104.

The spelling of 4066203987 in words is "four billion, sixty-six million, two hundred three thousand, nine hundred eighty-seven".