83584135388 has 24 divisors (see below), whose sum is σ = 159681817008. Its totient is φ = 38048835456.

The previous prime is 83584135381. The next prime is 83584135451. The reversal of 83584135388 is 88353148538.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83584135381) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11005706 + ... + 11013297.

It is an arithmetic number, because the mean of its divisors is an integer number (6653409042).

Almost surely, 2^83584135388 is an apocalyptic number.

It is an amenable number.

83584135388 is a deficient number, since it is larger than the sum of its proper divisors (76097681620).

83584135388 is a wasteful number, since it uses less digits than its factorization.

83584135388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22019093 (or 22019091 counting only the distinct ones).

The product of its digits is 11059200, while the sum is 56.

The spelling of 83584135388 in words is "eighty-three billion, five hundred eighty-four million, one hundred thirty-five thousand, three hundred eighty-eight".