68813183 has 4 divisors (see below), whose sum is σ = 68889960. Its totient is φ = 68736408.

The previous prime is 68813177. The next prime is 68813189. The reversal of 68813183 is 38131886.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (68813177) and next prime (68813189).

It is a cyclic number.

It is not a de Polignac number, because 68813183 - 2¹⁶ = 68747647 is a prime.

It is a Duffinian number.

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68813189) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37028 + ... + 38841.

It is an arithmetic number, because the mean of its divisors is an integer number (17222490).

Almost surely, 2^68813183 is an apocalyptic number.

68813183 is a deficient number, since it is larger than the sum of its proper divisors (76777).

68813183 is an equidigital number, since it uses as much as digits as its factorization.

68813183 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76776.

The product of its digits is 27648, while the sum is 38.

The square root of 68813183 is about 8295.3711791577. The cubic root of 68813183 is about 409.7860930591.

The spelling of 68813183 in words is "sixty-eight million, eight hundred thirteen thousand, one hundred eighty-three".