68811886 has 32 divisors (see below), whose sum is σ = 128405088. Its totient is φ = 27171840.

The previous prime is 68811871. The next prime is 68811887.

68811886 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68811887) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2215 + ... + 11938.

It is an arithmetic number, because the mean of its divisors is an integer number (4012659).

Almost surely, 2^68811886 is an apocalyptic number.

68811886 is a deficient number, since it is larger than the sum of its proper divisors (59593202).

68811886 is a wasteful number, since it uses less digits than its factorization.

68811886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14196.

The product of its digits is 147456, while the sum is 46.

The square root of 68811886 is about 8295.2930026612. The cubic root of 68811886 is about 409.7835184753.

The spelling of 68811886 in words is "sixty-eight million, eight hundred eleven thousand, eight hundred eighty-six".