9886574881 has 2 divisors, whose sum is σ = 9886574882. Its totient is φ = 9886574880.

The previous prime is 9886574837. The next prime is 9886574903. The reversal of 9886574881 is 1884756889.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9189139600 + 697435281 = 95860^2 + 26409^2 .

It is a cyclic number.

It is not a de Polignac number, because 9886574881 - 2¹¹ = 9886572833 is a prime.

It is a super-2 number, since 2×9886574881² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (9886574801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4943287440 + 4943287441.

It is an arithmetic number, because the mean of its divisors is an integer number (4943287441).

Almost surely, 2^9886574881 is an apocalyptic number.

It is an amenable number.

9886574881 is a deficient number, since it is larger than the sum of its proper divisors (1).

9886574881 is an equidigital number, since it uses as much as digits as its factorization.

9886574881 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30965760, while the sum is 64.

The square root of 9886574881 is about 99431.2570623544. The cubic root of 9886574881 is about 2146.2581303875.

The spelling of 9886574881 in words is "nine billion, eight hundred eighty-six million, five hundred seventy-four thousand, eight hundred eighty-one".