68983159 has 8 divisors (see below), whose sum is σ = 79440768. Its totient is φ = 58676280.

The previous prime is 68983147. The next prime is 68983163. The reversal of 68983159 is 95138986.

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

It is a cyclic number.

It is not a de Polignac number, because 68983159 - 2⁹ = 68982647 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 (68983259) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36697 + ... + 38530.

It is an arithmetic number, because the mean of its divisors is an integer number (9930096).

Almost surely, 2^68983159 is an apocalyptic number.

68983159 is a deficient number, since it is larger than the sum of its proper divisors (10457609).

68983159 is a wasteful number, since it uses less digits than its factorization.

68983159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75365.

The product of its digits is 466560, while the sum is 49.

The square root of 68983159 is about 8305.6100919800. The cubic root of 68983159 is about 410.1232209450.

The spelling of 68983159 in words is "sixty-eight million, nine hundred eighty-three thousand, one hundred fifty-nine".