68891112 has 48 divisors (see below), whose sum is σ = 196404000. Its totient is φ = 21754656.

The previous prime is 68891099. The next prime is 68891113. The reversal of 68891112 is 21119886.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (68891113) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23812 + ... + 26547.

It is an arithmetic number, because the mean of its divisors is an integer number (4091750).

Almost surely, 2^68891112 is an apocalyptic number.

It is an amenable number.

68891112 is an abundant number, since it is smaller than the sum of its proper divisors (127512888).

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

68891112 is a wasteful number, since it uses less digits than its factorization.

68891112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50390 (or 50383 counting only the distinct ones).

The product of its digits is 6912, while the sum is 36.

The square root of 68891112 is about 8300.0669876815. The cubic root of 68891112 is about 409.9407251211.

It can be divided in two parts, 6889 and 1112, that added together give a triangular number (8001 = T₁₂₆).

The spelling of 68891112 in words is "sixty-eight million, eight hundred ninety-one thousand, one hundred twelve".