68959589 has 4 divisors (see below), whose sum is σ = 71957856. Its totient is φ = 65961324.

The previous prime is 68959567. The next prime is 68959643. The reversal of 68959589 is 98595986.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 68959589 - 2⁸ = 68959333 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 (68959529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1499099 + ... + 1499144.

It is an arithmetic number, because the mean of its divisors is an integer number (17989464).

Almost surely, 2^68959589 is an apocalyptic number.

It is an amenable number.

68959589 is a deficient number, since it is larger than the sum of its proper divisors (2998267).

68959589 is a wasteful number, since it uses less digits than its factorization.

68959589 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2998266.

The product of its digits is 6998400, while the sum is 59.

The square root of 68959589 is about 8304.1910503071. The cubic root of 68959589 is about 410.0765056518.

The spelling of 68959589 in words is "sixty-eight million, nine hundred fifty-nine thousand, five hundred eighty-nine".