3855341402847 has 24 divisors (see below), whose sum is σ = 6394824658560. Its totient is φ = 2213593148880.

The previous prime is 3855341402839. The next prime is 3855341402873. The reversal of 3855341402847 is 7482041435583.

3855341402847 is a `hidden beast` number, since 3 + 8 + 5 + 534 + 1 + 40 + 28 + 47 = 666.

It is not a de Polignac number, because 3855341402847 - 2³ = 3855341402839 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3855341402793 and 3855341402802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3855341402747) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1024809763 + ... + 1024813524.

It is an arithmetic number, because the mean of its divisors is an integer number (266451027440).

Almost surely, 2^{3855341402847} is an apocalyptic number.

3855341402847 is a deficient number, since it is larger than the sum of its proper divisors (2539483255713).

3855341402847 is a wasteful number, since it uses less digits than its factorization.

3855341402847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2049623323 (or 2049623320 counting only the distinct ones).

The product of its (nonzero) digits is 12902400, while the sum is 54.

The spelling of 3855341402847 in words is "three trillion, eight hundred fifty-five billion, three hundred forty-one million, four hundred two thousand, eight hundred forty-seven".