68898843 has 40 divisors (see below), whose sum is σ = 112820400. Its totient is φ = 41643072.

The previous prime is 68898839. The next prime is 68898853. The reversal of 68898843 is 34889886.

It is not a de Polignac number, because 68898843 - 2² = 68898839 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 68898843.

It is not an unprimeable number, because it can be changed into a prime (68898803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 61573 + ... + 62681.

It is an arithmetic number, because the mean of its divisors is an integer number (2820510).

Almost surely, 2^68898843 is an apocalyptic number.

68898843 is a deficient number, since it is larger than the sum of its proper divisors (43921557).

68898843 is a wasteful number, since it uses less digits than its factorization.

68898843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1193 (or 1184 counting only the distinct ones).

The product of its digits is 2654208, while the sum is 54.

The square root of 68898843 is about 8300.5326937492. The cubic root of 68898843 is about 409.9560591418.

The spelling of 68898843 in words is "sixty-eight million, eight hundred ninety-eight thousand, eight hundred forty-three".