83523569376 has 144 divisors (see below), whose sum is σ = 238459379760. Its totient is φ = 25586196480.

The previous prime is 83523569347. The next prime is 83523569377. The reversal of 83523569376 is 67396532538.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83523569377) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3704056 + ... + 3726536.

It is an arithmetic number, because the mean of its divisors is an integer number (1655967915).

Almost surely, 2^83523569376 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 83523569376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119229689880).

83523569376 is an abundant number, since it is smaller than the sum of its proper divisors (154935810384).

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

83523569376 is a wasteful number, since it uses less digits than its factorization.

83523569376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22749 (or 22728 counting only the distinct ones).

The product of its digits is 24494400, while the sum is 57.

The spelling of 83523569376 in words is "eighty-three billion, five hundred twenty-three million, five hundred sixty-nine thousand, three hundred seventy-six".