68111882 has 8 divisors (see below), whose sum is σ = 102203076. Its totient is φ = 34044192.

The previous prime is 68111881. The next prime is 68111891. The reversal of 68111882 is 28811186.

It can be written as a sum of positive squares in 2 ways, for example, as 67387681 + 724201 = 8209^2 + 851^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (68111881) by changing a digit.

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, 7118 + ... + 13670.

Almost surely, 2^68111882 is an apocalyptic number.

68111882 is a deficient number, since it is larger than the sum of its proper divisors (34091194).

68111882 is a wasteful number, since it uses less digits than its factorization.

68111882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11752.

The product of its digits is 6144, while the sum is 35.

The square root of 68111882 is about 8252.9923058246. The cubic root of 68111882 is about 408.3892423053.

The spelling of 68111882 in words is "sixty-eight million, one hundred eleven thousand, eight hundred eighty-two".