68247077250 has 128 divisors (see below), whose sum is σ = 186493612032. Its totient is φ = 16485720000.

The previous prime is 68247077243. The next prime is 68247077293. The reversal of 68247077250 is 5277074286.

It is a self number, because there is not a number n which added to its sum of digits gives 68247077250.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2320135 + ... + 2349365.

It is an arithmetic number, because the mean of its divisors is an integer number (1456981344).

Almost surely, 2^68247077250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68247077250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93246806016).

68247077250 is an abundant number, since it is smaller than the sum of its proper divisors (118246534782).

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

68247077250 is a wasteful number, since it uses less digits than its factorization.

68247077250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29545 (or 29535 counting only the distinct ones).

The product of its (nonzero) digits is 1317120, while the sum is 48.

The spelling of 68247077250 in words is "sixty-eight billion, two hundred forty-seven million, seventy-seven thousand, two hundred fifty".