83919543936 has 64 divisors (see below), whose sum is σ = 225416001600. Its totient is φ = 27658864640.

The previous prime is 83919543901. The next prime is 83919543941. The reversal of 83919543936 is 63934591938.

It is a tau number, because it is divible by the number of its divisors (64).

It is a self number, because there is not a number n which added to its sum of digits gives 83919543936.

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 7 ways as a sum of consecutive naturals, for example, 1193580 + ... + 1261931.

It is an arithmetic number, because the mean of its divisors is an integer number (3522125025).

Almost surely, 2^83919543936 is an apocalyptic number.

It is an amenable number.

83919543936 is an abundant number, since it is smaller than the sum of its proper divisors (141496457664).

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

83919543936 is a wasteful number, since it uses less digits than its factorization.

83919543936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2455617 (or 2455605 counting only the distinct ones).

The product of its digits is 18895680, while the sum is 60.

The spelling of 83919543936 in words is "eighty-three billion, nine hundred nineteen million, five hundred forty-three thousand, nine hundred thirty-six".