187268868 has 96 divisors (see below), whose sum is σ = 503193600. Its totient is φ = 60192288.

The previous prime is 187268843. The next prime is 187268869. The reversal of 187268868 is 868862781.

187268868 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (187268869) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 400771 + ... + 401237.

It is an arithmetic number, because the mean of its divisors is an integer number (5241600).

Almost surely, 2^187268868 is an apocalyptic number.

187268868 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 187268868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (251596800).

187268868 is an abundant number, since it is smaller than the sum of its proper divisors (315924732).

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

187268868 is a wasteful number, since it uses less digits than its factorization.

187268868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 606 (or 598 counting only the distinct ones).

The product of its digits is 2064384, while the sum is 54.

The square root of 187268868 is about 13684.6215877532. The cubic root of 187268868 is about 572.1218422694.

The spelling of 187268868 in words is "one hundred eighty-seven million, two hundred sixty-eight thousand, eight hundred sixty-eight".