187972873224 has 64 divisors (see below), whose sum is σ = 488038045440. Its totient is φ = 60287008320.

The previous prime is 187972873183. The next prime is 187972873241. The reversal of 187972873224 is 422378279781.

187972873224 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1290142 + ... + 1428429.

It is an arithmetic number, because the mean of its divisors is an integer number (7625594460).

Almost surely, 2^187972873224 is an apocalyptic number.

It is an amenable number.

187972873224 is an abundant number, since it is smaller than the sum of its proper divisors (300065172216).

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

187972873224 is a wasteful number, since it uses less digits than its factorization.

187972873224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2718690 (or 2718686 counting only the distinct ones).

The product of its digits is 18966528, while the sum is 60.

The spelling of 187972873224 in words is "one hundred eighty-seven billion, nine hundred seventy-two million, eight hundred seventy-three thousand, two hundred twenty-four".