68856106265 has 8 divisors (see below), whose sum is σ = 84860498760. Its totient is φ = 53596104192.

The previous prime is 68856106243. The next prime is 68856106373. The reversal of 68856106265 is 56260165886.

It can be written as a sum of positive squares in 4 ways, for example, as 7508742409 + 61347363856 = 86653^2 + 247684^2 .

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 68856106265 - 2⁶ = 68856106201 is a prime.

It is a Curzon 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, 186097400 + ... + 186097769.

It is an arithmetic number, because the mean of its divisors is an integer number (10607562345).

Almost surely, 2^68856106265 is an apocalyptic number.

It is an amenable number.

68856106265 is a deficient number, since it is larger than the sum of its proper divisors (16004392495).

68856106265 is a wasteful number, since it uses less digits than its factorization.

68856106265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372195211.

The product of its (nonzero) digits is 4147200, while the sum is 53.

The spelling of 68856106265 in words is "sixty-eight billion, eight hundred fifty-six million, one hundred six thousand, two hundred sixty-five".