68383159 has 4 divisors (see below), whose sum is σ = 73643416. Its totient is φ = 63122904.

The previous prime is 68383151. The next prime is 68383169. The reversal of 68383159 is 95138386.

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

It is not a de Polignac number, because 68383159 - 2³ = 68383151 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68383151) 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, 2630109 + ... + 2630134.

It is an arithmetic number, because the mean of its divisors is an integer number (18410854).

Almost surely, 2^68383159 is an apocalyptic number.

68383159 is a deficient number, since it is larger than the sum of its proper divisors (5260257).

68383159 is a wasteful number, since it uses less digits than its factorization.

68383159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5260256.

The product of its digits is 155520, while the sum is 43.

The square root of 68383159 is about 8269.4110431155. The cubic root of 68383159 is about 408.9307036430.

The spelling of 68383159 in words is "sixty-eight million, three hundred eighty-three thousand, one hundred fifty-nine".