83989984496 has 20 divisors (see below), whose sum is σ = 177524285784. Its totient is φ = 38177265600.

The previous prime is 83989984459. The next prime is 83989984501. The reversal of 83989984496 is 69448998938.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 238607735 + ... + 238608086.

Almost surely, 2^83989984496 is an apocalyptic number.

It is an amenable number.

83989984496 is an abundant number, since it is smaller than the sum of its proper divisors (93534301288).

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

83989984496 is a wasteful number, since it uses less digits than its factorization.

83989984496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 477215840 (or 477215834 counting only the distinct ones).

The product of its digits is 967458816, while the sum is 77.

The spelling of 83989984496 in words is "eighty-three billion, nine hundred eighty-nine million, nine hundred eighty-four thousand, four hundred ninety-six".