187115968 has 56 divisors (see below), whose sum is σ = 401970240. Its totient is φ = 85908480.

The previous prime is 187115959. The next prime is 187115983. The reversal of 187115968 is 869511781.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 198378 + ... + 199318.

It is an arithmetic number, because the mean of its divisors is an integer number (7178040).

Almost surely, 2^187115968 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 187115968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (200985120).

187115968 is an abundant number, since it is smaller than the sum of its proper divisors (214854272).

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

187115968 is a wasteful number, since it uses less digits than its factorization.

187115968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1205 (or 1195 counting only the distinct ones).

The product of its digits is 120960, while the sum is 46.

The square root of 187115968 is about 13679.0338840139. The cubic root of 187115968 is about 571.9660925016.

The spelling of 187115968 in words is "one hundred eighty-seven million, one hundred fifteen thousand, nine hundred sixty-eight".