3847655447136 has 72 divisors (see below), whose sum is σ = 11127223958760. Its totient is φ = 1260813643776.

The previous prime is 3847655447117. The next prime is 3847655447173. The reversal of 3847655447136 is 6317445567483.

3847655447136 is a `hidden beast` number, since 3 + 8 + 4 + 7 + 6 + 55 + 447 + 136 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 113202625 + ... + 113236608.

It is an arithmetic number, because the mean of its divisors is an integer number (154544777205).

Almost surely, 2^{3847655447136} is an apocalyptic number.

3847655447136 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

3847655447136 is an abundant number, since it is smaller than the sum of its proper divisors (7279568511624).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3847655447136 is a wasteful number, since it uses less digits than its factorization.

3847655447136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226439308 (or 226439297 counting only the distinct ones).

The product of its digits is 203212800, while the sum is 63.

The spelling of 3847655447136 in words is "three trillion, eight hundred forty-seven billion, six hundred fifty-five million, four hundred forty-seven thousand, one hundred thirty-six".