83432788344 has 96 divisors (see below), whose sum is σ = 234414900720. Its totient is φ = 27801190656.

The previous prime is 83432788331. The next prime is 83432788349. The reversal of 83432788344 is 44388723438.

It is a happy number.

It is a super-2 number, since 2×83432788344² (a number of 23 digits) contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83432788349) 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, 7445754 + ... + 7456950.

Almost surely, 2^83432788344 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 83432788344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117207450360).

83432788344 is an abundant number, since it is smaller than the sum of its proper divisors (150982112376).

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

83432788344 is a wasteful number, since it uses less digits than its factorization.

83432788344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15051 (or 15035 counting only the distinct ones).

The product of its digits is 12386304, while the sum is 54.

The spelling of 83432788344 in words is "eighty-three billion, four hundred thirty-two million, seven hundred eighty-eight thousand, three hundred forty-four".