117893881582 has 16 divisors (see below), whose sum is σ = 177505816320. Its totient is φ = 58725370872.

The previous prime is 117893881579. The next prime is 117893881583. The reversal of 117893881582 is 285188398711.

It is a self number, because there is not a number n which added to its sum of digits gives 117893881582.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117893881583) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2776669 + ... + 2818807.

It is an arithmetic number, because the mean of its divisors is an integer number (11094113520).

Almost surely, 2^117893881582 is an apocalyptic number.

117893881582 is a deficient number, since it is larger than the sum of its proper divisors (59611934738).

117893881582 is a wasteful number, since it uses less digits than its factorization.

117893881582 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47367.

The product of its digits is 7741440, while the sum is 61.

The spelling of 117893881582 in words is "one hundred seventeen billion, eight hundred ninety-three million, eight hundred eighty-one thousand, five hundred eighty-two".