83913558336 has 140 divisors (see below), whose sum is σ = 249343405300. Its totient is φ = 27904020480.

The previous prime is 83913558301. The next prime is 83913558367. The reversal of 83913558336 is 63385531938.

83913558336 is a `hidden beast` number, since 83 + 9 + 1 + 3 + 558 + 3 + 3 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 554319936 + 83359238400 = 23544^2 + 288720^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2163240 + ... + 2201688.

Almost surely, 2^83913558336 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 83913558336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124671702650).

83913558336 is an abundant number, since it is smaller than the sum of its proper divisors (165429846964).

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

83913558336 is a wasteful number, since it uses less digits than its factorization.

83913558336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38894 (or 38875 counting only the distinct ones).

The product of its digits is 6998400, while the sum is 54.

The spelling of 83913558336 in words is "eighty-three billion, nine hundred thirteen million, five hundred fifty-eight thousand, three hundred thirty-six".