68249988273984 has 112 divisors (see below), whose sum is σ = 197615719348416. Its totient is φ = 20616572108800.

The previous prime is 68249988273953. The next prime is 68249988273991. The reversal of 68249988273984 is 48937288994286.

It is a self number, because there is not a number n which added to its sum of digits gives 68249988273984.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50301057 + ... + 51640064.

Almost surely, 2^{68249988273984} is an apocalyptic number.

68249988273984 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

68249988273984 is an abundant number, since it is smaller than the sum of its proper divisors (129365731074432).

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

68249988273984 is a wasteful number, since it uses less digits than its factorization.

68249988273984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101941464 (or 101941454 counting only the distinct ones).

The product of its digits is 24078974976, while the sum is 87.

The spelling of 68249988273984 in words is "sixty-eight trillion, two hundred forty-nine billion, nine hundred eighty-eight million, two hundred seventy-three thousand, nine hundred eighty-four".