82399891332 has 96 divisors (see below), whose sum is σ = 211683838464. Its totient is φ = 24739948800.

The previous prime is 82399891307. The next prime is 82399891397. The reversal of 82399891332 is 23319899328.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6315888 + ... + 6328920.

It is an arithmetic number, because the mean of its divisors is an integer number (2205039984).

Almost surely, 2^82399891332 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 82399891332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105841919232).

82399891332 is an abundant number, since it is smaller than the sum of its proper divisors (129283947132).

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

82399891332 is a wasteful number, since it uses less digits than its factorization.

82399891332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13489 (or 13487 counting only the distinct ones).

The product of its digits is 5038848, while the sum is 57.

The spelling of 82399891332 in words is "eighty-two billion, three hundred ninety-nine million, eight hundred ninety-one thousand, three hundred thirty-two".