68889335 has 8 divisors (see below), whose sum is σ = 82728240. Its totient is φ = 55070784.

The previous prime is 68889329. The next prime is 68889341. The reversal of 68889335 is 53398886.

It is an interprime number because it is at equal distance from previous prime (68889329) and next prime (68889341).

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 68889335 - 2⁴ = 68889319 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3764 + ... + 12326.

It is an arithmetic number, because the mean of its divisors is an integer number (10341030).

Almost surely, 2^68889335 is an apocalyptic number.

68889335 is a deficient number, since it is larger than the sum of its proper divisors (13838905).

68889335 is a wasteful number, since it uses less digits than its factorization.

68889335 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10177.

The product of its digits is 1244160, while the sum is 50.

The square root of 68889335 is about 8299.9599396624. The cubic root of 68889335 is about 409.9372003755.

The spelling of 68889335 in words is "sixty-eight million, eight hundred eighty-nine thousand, three hundred thirty-five".