83659605938 has 8 divisors (see below), whose sum is σ = 125663944320. Its totient is φ = 41771624500.

The previous prime is 83659605923. The next prime is 83659605949. The reversal of 83659605938 is 83950695638.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29087438 + ... + 29090313.

It is an arithmetic number, because the mean of its divisors is an integer number (15707993040).

Almost surely, 2^83659605938 is an apocalyptic number.

83659605938 is a deficient number, since it is larger than the sum of its proper divisors (42004338382).

83659605938 is a wasteful number, since it uses less digits than its factorization.

83659605938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58178472.

The product of its (nonzero) digits is 41990400, while the sum is 62.

The spelling of 83659605938 in words is "eighty-three billion, six hundred fifty-nine million, six hundred five thousand, nine hundred thirty-eight".