3871886688550 has 48 divisors (see below), whose sum is σ = 7252665612192. Its totient is φ = 1537827603200.

The previous prime is 3871886688529. The next prime is 3871886688589. The reversal of 3871886688550 is 558866881783.

3871886688550 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×3871886688550² (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 23 ways as a sum of consecutive naturals, for example, 4563810 + ... + 5345290.

It is an arithmetic number, because the mean of its divisors is an integer number (151097200254).

Almost surely, 2^{3871886688550} is an apocalyptic number.

3871886688550 is a deficient number, since it is larger than the sum of its proper divisors (3380778923642).

3871886688550 is a wasteful number, since it uses less digits than its factorization.

3871886688550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 782193 (or 782188 counting only the distinct ones).

The product of its (nonzero) digits is 619315200, while the sum is 73.

The spelling of 3871886688550 in words is "three trillion, eight hundred seventy-one billion, eight hundred eighty-six million, six hundred eighty-eight thousand, five hundred fifty".