67875287688 has 128 divisors (see below), whose sum is σ = 203303520000. Its totient is φ = 20858190336.

The previous prime is 67875287671. The next prime is 67875287693. The reversal of 67875287688 is 88678257876.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2256733 + ... + 2286611.

It is an arithmetic number, because the mean of its divisors is an integer number (1588308750).

Almost surely, 2^67875287688 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 67875287688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101651760000).

67875287688 is an abundant number, since it is smaller than the sum of its proper divisors (135428232312).

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

67875287688 is a wasteful number, since it uses less digits than its factorization.

67875287688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30716 (or 30706 counting only the distinct ones).

The product of its digits is 505774080, while the sum is 72.

The spelling of 67875287688 in words is "sixty-seven billion, eight hundred seventy-five million, two hundred eighty-seven thousand, six hundred eighty-eight".