9771131104 has 24 divisors (see below), whose sum is σ = 21985045488. Its totient is φ = 4187627520.

The previous prime is 9771131099. The next prime is 9771131107. The reversal of 9771131104 is 4011311779.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 9771131104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9771131107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21810337 + ... + 21810784.

It is an arithmetic number, because the mean of its divisors is an integer number (916043562).

Almost surely, 2^9771131104 is an apocalyptic number.

It is an amenable number.

9771131104 is an abundant number, since it is smaller than the sum of its proper divisors (12213914384).

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

9771131104 is a wasteful number, since it uses less digits than its factorization.

9771131104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43621138 (or 43621130 counting only the distinct ones).

The product of its (nonzero) digits is 5292, while the sum is 34.

The square root of 9771131104 is about 98849.0318819562. The cubic root of 9771131104 is about 2137.8715775667.

The spelling of 9771131104 in words is "nine billion, seven hundred seventy-one million, one hundred thirty-one thousand, one hundred four".