68503853800 has 24 divisors (see below), whose sum is σ = 159271460550. Its totient is φ = 27401541440.

The previous prime is 68503853783. The next prime is 68503853843. The reversal of 68503853800 is 835830586.

It can be written as a sum of positive squares in 3 ways, for example, as 41208188004 + 27295665796 = 202998^2 + 165214^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 171259435 + ... + 171259834.

Almost surely, 2^68503853800 is an apocalyptic number.

It is an amenable number.

68503853800 is an abundant number, since it is smaller than the sum of its proper divisors (90767606750).

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

68503853800 is a wasteful number, since it uses less digits than its factorization.

68503853800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342519285 (or 342519276 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 46.

The spelling of 68503853800 in words is "sixty-eight billion, five hundred three million, eight hundred fifty-three thousand, eight hundred".