3885518387 has 4 divisors (see below), whose sum is σ = 3885952776. Its totient is φ = 3885084000.

The previous prime is 3885518353. The next prime is 3885518437. The reversal of 3885518387 is 7838155883.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7838155883 = 109 ⋅71909687.

It is a cyclic number.

It is not a de Polignac number, because 3885518387 - 2⁶ = 3885518323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3885518587) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 203489 + ... + 221762.

It is an arithmetic number, because the mean of its divisors is an integer number (971488194).

Almost surely, 2^3885518387 is an apocalyptic number.

3885518387 is a deficient number, since it is larger than the sum of its proper divisors (434389).

3885518387 is an equidigital number, since it uses as much as digits as its factorization.

3885518387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434388.

The product of its digits is 6451200, while the sum is 56.

The square root of 3885518387 is about 62333.9264526149. The cubic root of 3885518387 is about 1572.1102146059.

The spelling of 3885518387 in words is "three billion, eight hundred eighty-five million, five hundred eighteen thousand, three hundred eighty-seven".