68507837500 has 36 divisors (see below), whose sum is σ = 149851330776. Its totient is φ = 27403130000.

The previous prime is 68507837491. The next prime is 68507837527. The reversal of 68507837500 is 573870586.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2727814 + ... + 2752813.

It is an arithmetic number, because the mean of its divisors is an integer number (4162536966).

Almost surely, 2^68507837500 is an apocalyptic number.

It is an amenable number.

68507837500 is an abundant number, since it is smaller than the sum of its proper divisors (81343493276).

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

68507837500 is an equidigital number, since it uses as much as digits as its factorization.

68507837500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5480656 (or 5480634 counting only the distinct ones).

The product of its (nonzero) digits is 1411200, while the sum is 49.

The spelling of 68507837500 in words is "sixty-eight billion, five hundred seven million, eight hundred thirty-seven thousand, five hundred".