68289768910 has 64 divisors (see below), whose sum is σ = 145821850560. Its totient is φ = 22740203520.

The previous prime is 68289768871. The next prime is 68289768919. The reversal of 68289768910 is 1986798286.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68289768919) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 424305 + ... + 562684.

It is an arithmetic number, because the mean of its divisors is an integer number (2278466415).

Almost surely, 2^68289768910 is an apocalyptic number.

68289768910 is an abundant number, since it is smaller than the sum of its proper divisors (77532081650).

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

68289768910 is a wasteful number, since it uses less digits than its factorization.

68289768910 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 987061.

The product of its (nonzero) digits is 20901888, while the sum is 64.

The spelling of 68289768910 in words is "sixty-eight billion, two hundred eighty-nine million, seven hundred sixty-eight thousand, nine hundred ten".