68212624855 has 8 divisors (see below), whose sum is σ = 81922416912. Its totient is φ = 54525255168.

The previous prime is 68212624849. The next prime is 68212624861. The reversal of 68212624855 is 55842621286.

It is an interprime number because it is at equal distance from previous prime (68212624849) and next prime (68212624861).

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

It is a cyclic number.

It is not a de Polignac number, because 68212624855 - 2³ = 68212624847 is a prime.

It is a super-3 number, since 3×68212624855³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 68212624799 and 68212624808.

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, 5598897 + ... + 5611066.

It is an arithmetic number, because the mean of its divisors is an integer number (10240302114).

Almost surely, 2^68212624855 is an apocalyptic number.

68212624855 is a deficient number, since it is larger than the sum of its proper divisors (13709792057).

68212624855 is a wasteful number, since it uses less digits than its factorization.

68212624855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11211185.

The product of its digits is 1843200, while the sum is 49.

The spelling of 68212624855 in words is "sixty-eight billion, two hundred twelve million, six hundred twenty-four thousand, eight hundred fifty-five".