3847347008855 has 12 divisors (see below), whose sum is σ = 5370582355560. Its totient is φ = 2638180805904.

The previous prime is 3847347008849. The next prime is 3847347008881. The reversal of 3847347008855 is 5588007437483.

It is not a de Polignac number, because 3847347008855 - 2⁴⁰ = 2747835381079 is a prime.

It is a super-2 number, since 2×3847347008855² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7851728345 + ... + 7851728834.

It is an arithmetic number, because the mean of its divisors is an integer number (447548529630).

Almost surely, 2^{3847347008855} is an apocalyptic number.

3847347008855 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

3847347008855 is a deficient number, since it is larger than the sum of its proper divisors (1523235346705).

3847347008855 is a wasteful number, since it uses less digits than its factorization.

3847347008855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15703457198 (or 15703457191 counting only the distinct ones).

The product of its (nonzero) digits is 90316800, while the sum is 62.

The spelling of 3847347008855 in words is "three trillion, eight hundred forty-seven billion, three hundred forty-seven million, eight thousand, eight hundred fifty-five".