3855484396071 has 80 divisors (see below), whose sum is σ = 7182394990848. Its totient is φ = 2002344105600.

The previous prime is 3855484396069. The next prime is 3855484396097. The reversal of 3855484396071 is 1706934845583.

3855484396071 is a `hidden beast` number, since 3 + 8 + 55 + 484 + 39 + 6 + 0 + 71 = 666.

It is not a de Polignac number, because 3855484396071 - 2¹ = 3855484396069 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3855484396871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 25327416 + ... + 25479186.

Almost surely, 2^{3855484396071} is an apocalyptic number.

3855484396071 is a deficient number, since it is larger than the sum of its proper divisors (3326910594777).

3855484396071 is a wasteful number, since it uses less digits than its factorization.

3855484396071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155874 (or 155865 counting only the distinct ones).

The product of its (nonzero) digits is 87091200, while the sum is 63.

The spelling of 3855484396071 in words is "three trillion, eight hundred fifty-five billion, four hundred eighty-four million, three hundred ninety-six thousand, seventy-one".