9867404144 has 40 divisors (see below), whose sum is σ = 20633387712. Its totient is φ = 4544305920.

The previous prime is 9867404123. The next prime is 9867404149. The reversal of 9867404144 is 4414047689.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9867404149) 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 in 7 ways as a sum of consecutive naturals, for example, 45074 + ... + 147534.

Almost surely, 2^9867404144 is an apocalyptic number.

It is an amenable number.

9867404144 is an abundant number, since it is smaller than the sum of its proper divisors (10765983568).

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

9867404144 is a wasteful number, since it uses less digits than its factorization.

9867404144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102945 (or 102939 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 47.

The square root of 9867404144 is about 99334.8083201453. The cubic root of 9867404144 is about 2144.8699862333.

The spelling of 9867404144 in words is "nine billion, eight hundred sixty-seven million, four hundred four thousand, one hundred forty-four".