3871387304806 has 16 divisors (see below), whose sum is σ = 6642542334240. Its totient is φ = 1657696392000.

The previous prime is 3871387304777. The next prime is 3871387304809. The reversal of 3871387304806 is 6084037831783.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3871387304809) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122449945 + ... + 122481556.

It is an arithmetic number, because the mean of its divisors is an integer number (415158895890).

Almost surely, 2^{3871387304806} is an apocalyptic number.

3871387304806 is a deficient number, since it is larger than the sum of its proper divisors (2771155029434).

3871387304806 is a wasteful number, since it uses less digits than its factorization.

3871387304806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244932639.

The product of its (nonzero) digits is 16257024, while the sum is 58.

The spelling of 3871387304806 in words is "three trillion, eight hundred seventy-one billion, three hundred eighty-seven million, three hundred four thousand, eight hundred six".