68956789 has 8 divisors (see below), whose sum is σ = 77259168. Its totient is φ = 60993360.

The previous prime is 68956787. The next prime is 68956799. The reversal of 68956789 is 98765986.

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 68956789 - 2¹ = 68956787 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 (68956787) 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, 84307 + ... + 85120.

It is an arithmetic number, because the mean of its divisors is an integer number (9657396).

Almost surely, 2^68956789 is an apocalyptic number.

It is an amenable number.

68956789 is a deficient number, since it is larger than the sum of its proper divisors (8302379).

68956789 is a wasteful number, since it uses less digits than its factorization.

68956789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169475.

The product of its digits is 6531840, while the sum is 58.

The square root of 68956789 is about 8304.0224590255. The cubic root of 68956789 is about 410.0709553976.

The spelling of 68956789 in words is "sixty-eight million, nine hundred fifty-six thousand, seven hundred eighty-nine".