83569849712 has 20 divisors (see below), whose sum is σ = 161985528096. Its totient is φ = 41767132800.

The previous prime is 83569849709. The next prime is 83569849787. The reversal of 83569849712 is 21794896538.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1073213 + ... + 1148444.

Almost surely, 2^83569849712 is an apocalyptic number.

It is an amenable number.

83569849712 is a deficient number, since it is larger than the sum of its proper divisors (78415678384).

83569849712 is a wasteful number, since it uses less digits than its factorization.

83569849712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2224016 (or 2224010 counting only the distinct ones).

The product of its digits is 26127360, while the sum is 62.

The spelling of 83569849712 in words is "eighty-three billion, five hundred sixty-nine million, eight hundred forty-nine thousand, seven hundred twelve".