868081188 has 48 divisors (see below), whose sum is σ = 2184760256. Its totient is φ = 266682240.

The previous prime is 868081171. The next prime is 868081199. The reversal of 868081188 is 881180868.

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, 103770 + ... + 111822.

Almost surely, 2^868081188 is an apocalyptic number.

It is an amenable number.

868081188 is an abundant number, since it is smaller than the sum of its proper divisors (1316679068).

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

868081188 is a wasteful number, since it uses less digits than its factorization.

868081188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8764 (or 8762 counting only the distinct ones).

The product of its (nonzero) digits is 196608, while the sum is 48.

The square root of 868081188 is about 29463.2175432352. The cubic root of 868081188 is about 953.9379247524.

The spelling of 868081188 in words is "eight hundred sixty-eight million, eighty-one thousand, one hundred eighty-eight".