68089474791 has 36 divisors (see below), whose sum is σ = 112513920792. Its totient is φ = 39436418304.

The previous prime is 68089474787. The next prime is 68089474793. The reversal of 68089474791 is 19747498086.

68089474791 is a `hidden beast` number, since 6 + 80 + 89 + 4 + 7 + 479 + 1 = 666.

It is not a de Polignac number, because 68089474791 - 2² = 68089474787 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68089474793) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 973041 + ... + 1040666.

Almost surely, 2^68089474791 is an apocalyptic number.

68089474791 is a deficient number, since it is larger than the sum of its proper divisors (44424446001).

68089474791 is a wasteful number, since it uses less digits than its factorization.

68089474791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2013760 (or 2013740 counting only the distinct ones).

The product of its (nonzero) digits is 24385536, while the sum is 63.

The spelling of 68089474791 in words is "sixty-eight billion, eighty-nine million, four hundred seventy-four thousand, seven hundred ninety-one".