68854398 has 16 divisors (see below), whose sum is σ = 138403200. Its totient is φ = 22835736.

The previous prime is 68854349. The next prime is 68854399. The reversal of 68854398 is 89345886.

It is a self number, because there is not a number n which added to its sum of digits gives 68854398.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68854399) 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 7 ways as a sum of consecutive naturals, for example, 27640 + ... + 30027.

It is an arithmetic number, because the mean of its divisors is an integer number (8650200).

Almost surely, 2^68854398 is an apocalyptic number.

68854398 is an abundant number, since it is smaller than the sum of its proper divisors (69548802).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68854398 is a wasteful number, since it uses less digits than its factorization.

68854398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57871.

The product of its digits is 1658880, while the sum is 51.

The square root of 68854398 is about 8297.8550240409. The cubic root of 68854398 is about 409.8678892223.

The spelling of 68854398 in words is "sixty-eight million, eight hundred fifty-four thousand, three hundred ninety-eight".