83557538496 has 448 divisors, whose sum is σ = 266448844800. Its totient is φ = 25593864192.

The previous prime is 83557538447. The next prime is 83557538503. The reversal of 83557538496 is 69483575538.

83557538496 is a `hidden beast` number, since 8 + 3 + 5 + 5 + 7 + 538 + 4 + 96 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 266956836 + ... + 266957148.

Almost surely, 2^83557538496 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 83557538496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (133224422400).

83557538496 is an abundant number, since it is smaller than the sum of its proper divisors (182891306304).

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

83557538496 is a wasteful number, since it uses less digits than its factorization.

83557538496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 573 (or 557 counting only the distinct ones).

The product of its digits is 108864000, while the sum is 63.

The spelling of 83557538496 in words is "eighty-three billion, five hundred fifty-seven million, five hundred thirty-eight thousand, four hundred ninety-six".