129832087800 has 96 divisors (see below), whose sum is σ = 403320614400. Its totient is φ = 34549534080.

The previous prime is 129832087793. The next prime is 129832087811. The reversal of 129832087800 is 8780238921.

It is a self number, because there is not a number n which added to its sum of digits gives 129832087800.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 61527 + ... + 513273.

It is an arithmetic number, because the mean of its divisors is an integer number (4201256400).

Almost surely, 2^129832087800 is an apocalyptic number.

129832087800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 129832087800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (201660307200).

129832087800 is an abundant number, since it is smaller than the sum of its proper divisors (273488526600).

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

129832087800 is a wasteful number, since it uses less digits than its factorization.

129832087800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452245 (or 452236 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 48.

The spelling of 129832087800 in words is "one hundred twenty-nine billion, eight hundred thirty-two million, eighty-seven thousand, eight hundred".