83659768108 has 24 divisors (see below), whose sum is σ = 167349957152. Its totient is φ = 35847667584.

The previous prime is 83659768097. The next prime is 83659768117. The reversal of 83659768108 is 80186795638.

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, 113241 + ... + 424432.

Almost surely, 2^83659768108 is an apocalyptic number.

It is an amenable number.

83659768108 is an abundant number, since it is smaller than the sum of its proper divisors (83690189044).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

83659768108 is a wasteful number, since it uses less digits than its factorization.

83659768108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 543241 (or 543239 counting only the distinct ones).

The product of its (nonzero) digits is 17418240, while the sum is 61.

The spelling of 83659768108 in words is "eighty-three billion, six hundred fifty-nine million, seven hundred sixty-eight thousand, one hundred eight".