9875131800 has 96 divisors (see below), whose sum is σ = 30656371200. Its totient is φ = 2629630080.

The previous prime is 9875131787. The next prime is 9875131807. The reversal of 9875131800 is 81315789.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9875131807) 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, 424881 + ... + 447519.

It is an arithmetic number, because the mean of its divisors is an integer number (319337200).

Almost surely, 2^9875131800 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 9875131800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15328185600).

9875131800 is an abundant number, since it is smaller than the sum of its proper divisors (20781239400).

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

9875131800 is a wasteful number, since it uses less digits than its factorization.

9875131800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23385 (or 23376 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 42.

The square root of 9875131800 is about 99373.6977273162. The cubic root of 9875131800 is about 2145.4297583275.

The spelling of 9875131800 in words is "nine billion, eight hundred seventy-five million, one hundred thirty-one thousand, eight hundred".