68759852850 has 144 divisors (see below), whose sum is σ = 199061608200. Its totient is φ = 16915599360.

The previous prime is 68759852807. The next prime is 68759852851. The reversal of 68759852850 is 5825895786.

68759852850 is a `hidden beast` number, since 6 + 8 + 7 + 59 + 8 + 528 + 50 = 666.

It can be written as a sum of positive squares in 12 ways, for example, as 843844401 + 67916008449 = 29049^2 + 260607^2 .

It is not an unprimeable number, because it can be changed into a prime (68759852851) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 18536796 + ... + 18540504.

Almost surely, 2^68759852850 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68759852850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99530804100).

68759852850 is an abundant number, since it is smaller than the sum of its proper divisors (130301755350).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68759852850 is a wasteful number, since it uses less digits than its factorization.

68759852850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6909 (or 6901 counting only the distinct ones).

The product of its (nonzero) digits is 48384000, while the sum is 63.

The spelling of 68759852850 in words is "sixty-eight billion, seven hundred fifty-nine million, eight hundred fifty-two thousand, eight hundred fifty".