3985096418887 has 4 divisors (see below), whose sum is σ = 4024552819176. Its totient is φ = 3945640018600.

The previous prime is 3985096418881. The next prime is 3985096418899. The reversal of 3985096418887 is 7888146905893.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3985096418887 - 2³ = 3985096418879 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3985096418881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19728199993 + ... + 19728200194.

It is an arithmetic number, because the mean of its divisors is an integer number (1006138204794).

Almost surely, 2^{3985096418887} is an apocalyptic number.

3985096418887 is a deficient number, since it is larger than the sum of its proper divisors (39456400289).

3985096418887 is a wasteful number, since it uses less digits than its factorization.

3985096418887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39456400288.

The product of its (nonzero) digits is 836075520, while the sum is 76.

The spelling of 3985096418887 in words is "three trillion, nine hundred eighty-five billion, ninety-six million, four hundred eighteen thousand, eight hundred eighty-seven".