68946085854 has 12 divisors (see below), whose sum is σ = 149383186056. Its totient is φ = 22982028612.

The previous prime is 68946085847. The next prime is 68946085909. The reversal of 68946085854 is 45858064986.

68946085854 is a `hidden beast` number, since 6 + 8 + 9 + 46 + 0 + 8 + 585 + 4 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 68946085791 and 68946085800.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 1915169034 + ... + 1915169069.

It is an arithmetic number, because the mean of its divisors is an integer number (12448598838).

Almost surely, 2^68946085854 is an apocalyptic number.

68946085854 is an abundant number, since it is smaller than the sum of its proper divisors (80437100202).

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

68946085854 is a wasteful number, since it uses less digits than its factorization.

68946085854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3830338111 (or 3830338108 counting only the distinct ones).

The product of its (nonzero) digits is 66355200, while the sum is 63.

The spelling of 68946085854 in words is "sixty-eight billion, nine hundred forty-six million, eighty-five thousand, eight hundred fifty-four".