68886838 has 4 divisors (see below), whose sum is σ = 103330260. Its totient is φ = 34443418.

The previous prime is 68886823. The next prime is 68886841. The reversal of 68886838 is 83868886.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 83868886 = 2 ⋅41934443.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 17221708 + ... + 17221711.

It is an arithmetic number, because the mean of its divisors is an integer number (25832565).

Almost surely, 2^68886838 is an apocalyptic number.

68886838 is a deficient number, since it is larger than the sum of its proper divisors (34443422).

68886838 is a wasteful number, since it uses less digits than its factorization.

68886838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34443421.

The product of its digits is 3538944, while the sum is 55.

The square root of 68886838 is about 8299.8095158865. The cubic root of 68886838 is about 409.9322473807.

The spelling of 68886838 in words is "sixty-eight million, eight hundred eighty-six thousand, eight hundred thirty-eight".