68863172246 has 48 divisors (see below), whose sum is σ = 123013698192. Its totient is φ = 28774986240.

The previous prime is 68863172227. The next prime is 68863172251. The reversal of 68863172246 is 64227136886.

It is a happy number.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 17735 + ... + 371538.

It is an arithmetic number, because the mean of its divisors is an integer number (2562785379).

Almost surely, 2^68863172246 is an apocalyptic number.

68863172246 is a deficient number, since it is larger than the sum of its proper divisors (54150525946).

68863172246 is a wasteful number, since it uses less digits than its factorization.

68863172246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389357 (or 389346 counting only the distinct ones).

The product of its digits is 4644864, while the sum is 53.

The spelling of 68863172246 in words is "sixty-eight billion, eight hundred sixty-three million, one hundred seventy-two thousand, two hundred forty-six".