68916883 has 12 divisors (see below), whose sum is σ = 81074520. Its totient is φ = 58404192.

The previous prime is 68916839. The next prime is 68916893. The reversal of 68916883 is 38861986.

It is not a de Polignac number, because 68916883 - 2⁹ = 68916371 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68916833) 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 11 ways as a sum of consecutive naturals, for example, 3541 + ... + 12262.

It is an arithmetic number, because the mean of its divisors is an integer number (6756210).

Almost surely, 2^68916883 is an apocalyptic number.

68916883 is a deficient number, since it is larger than the sum of its proper divisors (12157637).

68916883 is a wasteful number, since it uses less digits than its factorization.

68916883 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15906 (or 15899 counting only the distinct ones).

The product of its digits is 497664, while the sum is 49.

The square root of 68916883 is about 8301.6192998716. The cubic root of 68916883 is about 409.9918360460.

The spelling of 68916883 in words is "sixty-eight million, nine hundred sixteen thousand, eight hundred eighty-three".