9885380456 has 32 divisors (see below), whose sum is σ = 22429016640. Its totient is φ = 3987379968.

The previous prime is 9885380447. The next prime is 9885380503. The reversal of 9885380456 is 6540835889.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 5190950 + ... + 5192853.

It is an arithmetic number, because the mean of its divisors is an integer number (700906770).

Almost surely, 2^9885380456 is an apocalyptic number.

It is an amenable number.

9885380456 is an abundant number, since it is smaller than the sum of its proper divisors (12543636184).

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

9885380456 is a wasteful number, since it uses less digits than its factorization.

9885380456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10383833 (or 10383829 counting only the distinct ones).

The product of its (nonzero) digits is 8294400, while the sum is 56.

The square root of 9885380456 is about 99425.2505956108. The cubic root of 9885380456 is about 2146.1716950735.

The spelling of 9885380456 in words is "nine billion, eight hundred eighty-five million, three hundred eighty thousand, four hundred fifty-six".