68089403249784 has 160 divisors (see below), whose sum is σ = 217966714922880. Its totient is φ = 19453350090816.

The previous prime is 68089403249771. The next prime is 68089403249843. The reversal of 68089403249784 is 48794230498086.

68089403249784 is a `hidden beast` number, since 68 + 0 + 8 + 9 + 40 + 32 + 497 + 8 + 4 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 120498199 + ... + 121061945.

It is an arithmetic number, because the mean of its divisors is an integer number (1362291968268).

Almost surely, 2^{68089403249784} is an apocalyptic number.

It is an amenable number.

68089403249784 is an abundant number, since it is smaller than the sum of its proper divisors (149877311673096).

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

68089403249784 is a wasteful number, since it uses less digits than its factorization.

68089403249784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 590399 (or 590386 counting only the distinct ones).

The product of its (nonzero) digits is 668860416, while the sum is 72.

The spelling of 68089403249784 in words is "sixty-eight trillion, eighty-nine billion, four hundred three million, two hundred forty-nine thousand, seven hundred eighty-four".