68658285685 has 8 divisors (see below), whose sum is σ = 89879937696. Its totient is φ = 49933298640.

The previous prime is 68658285673. The next prime is 68658285727. The reversal of 68658285685 is 58658285686.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 68658285685 - 2⁷ = 68658285557 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 68658285685.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 624166179 + ... + 624166288.

It is an arithmetic number, because the mean of its divisors is an integer number (11234992212).

Almost surely, 2^68658285685 is an apocalyptic number.

It is an amenable number.

68658285685 is a deficient number, since it is larger than the sum of its proper divisors (21221652011).

68658285685 is a wasteful number, since it uses less digits than its factorization.

68658285685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1248332483.

The product of its digits is 221184000, while the sum is 67.

Subtracting from 68658285685 its reverse (58658285686), we obtain a palindrome (9999999999).

The spelling of 68658285685 in words is "sixty-eight billion, six hundred fifty-eight million, two hundred eighty-five thousand, six hundred eighty-five".