3847822487 has 4 divisors (see below), whose sum is σ = 4050339480. Its totient is φ = 3645305496.

The previous prime is 3847822469. The next prime is 3847822519. The reversal of 3847822487 is 7842287483.

3847822487 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7842287483 = 23 ⋅340969021.

It is a de Polignac number, because none of the positive numbers 2^k-3847822487 is a prime.

It is a super-3 number, since 3×3847822487³ (a number of 30 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3847822417) 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, 101258468 + ... + 101258505.

It is an arithmetic number, because the mean of its divisors is an integer number (1012584870).

Almost surely, 2^3847822487 is an apocalyptic number.

3847822487 is a deficient number, since it is larger than the sum of its proper divisors (202516993).

3847822487 is a wasteful number, since it uses less digits than its factorization.

3847822487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202516992.

The product of its digits is 4816896, while the sum is 53.

The square root of 3847822487 is about 62030.8188483757. The cubic root of 3847822487 is about 1567.0096686187.

The spelling of 3847822487 in words is "three billion, eight hundred forty-seven million, eight hundred twenty-two thousand, four hundred eighty-seven".