9886497912 has 24 divisors (see below), whose sum is σ = 26775932040. Its totient is φ = 3295499280.

The previous prime is 9886497889. The next prime is 9886497913. The reversal of 9886497912 is 2197946889.

It is a tau number, because it is divible by the number of its divisors (24).

It is a self number, because there is not a number n which added to its sum of digits gives 9886497912.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9886497913) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 68656164 + ... + 68656307.

It is an arithmetic number, because the mean of its divisors is an integer number (1115663835).

Almost surely, 2^9886497912 is an apocalyptic number.

It is an amenable number.

9886497912 is an abundant number, since it is smaller than the sum of its proper divisors (16889434128).

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

9886497912 is a wasteful number, since it uses less digits than its factorization.

9886497912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137312483 (or 137312476 counting only the distinct ones).

The product of its digits is 15676416, while the sum is 63.

The square root of 9886497912 is about 99430.8700153026. The cubic root of 9886497912 is about 2146.2525606874.

The spelling of 9886497912 in words is "nine billion, eight hundred eighty-six million, four hundred ninety-seven thousand, nine hundred twelve".