9885459402 has 128 divisors (see below), whose sum is σ = 27301048320. Its totient is φ = 2581709760.

The previous prime is 9885459379. The next prime is 9885459413. The reversal of 9885459402 is 2049545889.

It is a happy number.

9885459402 is a `hidden beast` number, since 9 + 8 + 8 + 545 + 94 + 0 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 496377 + ... + 515907.

It is an arithmetic number, because the mean of its divisors is an integer number (213289440).

Almost surely, 2^9885459402 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9885459402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13650524160).

9885459402 is an abundant number, since it is smaller than the sum of its proper divisors (17415588918).

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

9885459402 is a wasteful number, since it uses less digits than its factorization.

9885459402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19665 (or 19659 counting only the distinct ones).

The product of its (nonzero) digits is 4147200, while the sum is 54.

The square root of 9885459402 is about 99425.6476066412. The cubic root of 9885459402 is about 2146.1774082652.

The spelling of 9885459402 in words is "nine billion, eight hundred eighty-five million, four hundred fifty-nine thousand, four hundred two".