68856361273 has 8 divisors (see below), whose sum is σ = 78706176192. Its totient is φ = 59009844336.

The previous prime is 68856361267. The next prime is 68856361279. The reversal of 68856361273 is 37216365886.

It is an interprime number because it is at equal distance from previous prime (68856361267) and next prime (68856361279).

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 68856361273 - 2⁹ = 68856360761 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68856361279) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 779590 + ... + 863407.

It is an arithmetic number, because the mean of its divisors is an integer number (9838272024).

Almost surely, 2^68856361273 is an apocalyptic number.

It is an amenable number.

68856361273 is a deficient number, since it is larger than the sum of its proper divisors (9849814919).

68856361273 is a wasteful number, since it uses less digits than its factorization.

68856361273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1648991.

The product of its digits is 8709120, while the sum is 55.

The spelling of 68856361273 in words is "sixty-eight billion, eight hundred fifty-six million, three hundred sixty-one thousand, two hundred seventy-three".