3847297885 has 8 divisors (see below), whose sum is σ = 4659905376. Its totient is φ = 3049073040.

The previous prime is 3847297879. The next prime is 3847297889. The reversal of 3847297885 is 5887927483.

3847297885 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3847297885 - 2¹⁵ = 3847265117 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 (3847297889) 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 7 ways as a sum of consecutive naturals, for example, 3595071 + ... + 3596140.

It is an arithmetic number, because the mean of its divisors is an integer number (582488172).

Almost surely, 2^3847297885 is an apocalyptic number.

It is an amenable number.

3847297885 is a deficient number, since it is larger than the sum of its proper divisors (812607491).

3847297885 is a wasteful number, since it uses less digits than its factorization.

3847297885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7191323.

The product of its digits is 27095040, while the sum is 61.

The square root of 3847297885 is about 62026.5901448725. The cubic root of 3847297885 is about 1566.9384513895.

The spelling of 3847297885 in words is "three billion, eight hundred forty-seven million, two hundred ninety-seven thousand, eight hundred eighty-five".