187319968 has 24 divisors (see below), whose sum is σ = 402312960. Its totient is φ = 85145280.

The previous prime is 187319947. The next prime is 187320013. The reversal of 187319968 is 869913781.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 265728 + ... + 266431.

It is an arithmetic number, because the mean of its divisors is an integer number (16763040).

Almost surely, 2^187319968 is an apocalyptic number.

It is an amenable number.

187319968 is an abundant number, since it is smaller than the sum of its proper divisors (214992992).

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

187319968 is a wasteful number, since it uses less digits than its factorization.

187319968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 532180 (or 532172 counting only the distinct ones).

The product of its digits is 653184, while the sum is 52.

The square root of 187319968 is about 13686.4885197044. The cubic root of 187319968 is about 572.1738757756.

The spelling of 187319968 in words is "one hundred eighty-seven million, three hundred nineteen thousand, nine hundred sixty-eight".