9807136049880 has 384 divisors, whose sum is σ = 35838831974400. Its totient is φ = 2307721135104.

The previous prime is 9807136049819. The next prime is 9807136049891. The reversal of 9807136049880 is 889406317089.

9807136049880 is a `hidden beast` number, since 9 + 8 + 0 + 7 + 1 + 3 + 60 + 498 + 80 = 666.

It is a hoax number, since the sum of its digits (63) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 185437281 + ... + 185490159.

It is an arithmetic number, because the mean of its divisors is an integer number (93330291600).

Almost surely, 2^{9807136049880} is an apocalyptic number.

9807136049880 is a gapful number since it is divisible by the number (90) 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 9807136049880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17919415987200).

9807136049880 is an abundant number, since it is smaller than the sum of its proper divisors (26031695924520).

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

9807136049880 is a wasteful number, since it uses less digits than its factorization.

9807136049880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54655 (or 54648 counting only the distinct ones).

The product of its (nonzero) digits is 20901888, while the sum is 63.

The spelling of 9807136049880 in words is "nine trillion, eight hundred seven billion, one hundred thirty-six million, forty-nine thousand, eight hundred eighty".