68869567 has 24 divisors (see below), whose sum is σ = 82315296. Its totient is φ = 57159168.

The previous prime is 68869561. The next prime is 68869571. The reversal of 68869567 is 76596886.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-68869567 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 (68869561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 86013 + ... + 86809.

It is an arithmetic number, because the mean of its divisors is an integer number (3429804).

Almost surely, 2^68869567 is an apocalyptic number.

68869567 is a deficient number, since it is larger than the sum of its proper divisors (13445729).

68869567 is a wasteful number, since it uses less digits than its factorization.

68869567 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 867 (or 850 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 55.

The square root of 68869567 is about 8298.7690050995. The cubic root of 68869567 is about 409.8979857239.

The spelling of 68869567 in words is "sixty-eight million, eight hundred sixty-nine thousand, five hundred sixty-seven".