68889417 has 8 divisors (see below), whose sum is σ = 92695680. Its totient is φ = 45504720.

The previous prime is 68889391. The next prime is 68889427. The reversal of 68889417 is 71498886.

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

It is not a de Polignac number, because 68889417 - 2¹² = 68885321 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 68889417.

It is not an unprimeable number, because it can be changed into a prime (68889427) 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, 105009 + ... + 105662.

It is an arithmetic number, because the mean of its divisors is an integer number (11586960).

Almost surely, 2^68889417 is an apocalyptic number.

It is an amenable number.

68889417 is a deficient number, since it is larger than the sum of its proper divisors (23806263).

68889417 is a wasteful number, since it uses less digits than its factorization.

68889417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210783.

The product of its digits is 774144, while the sum is 51.

The square root of 68889417 is about 8299.9648794438. The cubic root of 68889417 is about 409.9373630269.

The spelling of 68889417 in words is "sixty-eight million, eight hundred eighty-nine thousand, four hundred seventeen".