83558979208 has 32 divisors (see below), whose sum is σ = 163522281600. Its totient is φ = 39953867008.

The previous prime is 83558979199. The next prime is 83558979227. The reversal of 83558979208 is 80297985538.

It is a self number, because there is not a number n which added to its sum of digits gives 83558979208.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 793728 + ... + 892816.

It is an arithmetic number, because the mean of its divisors is an integer number (5110071300).

Almost surely, 2^83558979208 is an apocalyptic number.

It is an amenable number.

83558979208 is a deficient number, since it is larger than the sum of its proper divisors (79963302392).

83558979208 is a wasteful number, since it uses less digits than its factorization.

83558979208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103701 (or 103697 counting only the distinct ones).

The product of its (nonzero) digits is 43545600, while the sum is 64.

The spelling of 83558979208 in words is "eighty-three billion, five hundred fifty-eight million, nine hundred seventy-nine thousand, two hundred eight".