3871194250028 has 12 divisors (see below), whose sum is σ = 7742388500112. Its totient is φ = 1659083250000.

The previous prime is 3871194249947. The next prime is 3871194250039. The reversal of 3871194250028 is 8200524911783.

3871194250028 is an admirable number.

It is a super-2 number, since 2×3871194250028² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69128468723 + ... + 69128468778.

It is an arithmetic number, because the mean of its divisors is an integer number (645199041676).

Almost surely, 2^{3871194250028} is an apocalyptic number.

It is an amenable number.

3871194250028 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

3871194250028 is a wasteful number, since it uses less digits than its factorization.

3871194250028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138256937512 (or 138256937510 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 50.

The spelling of 3871194250028 in words is "three trillion, eight hundred seventy-one billion, one hundred ninety-four million, two hundred fifty thousand, twenty-eight".