9862824880 has 40 divisors (see below), whose sum is σ = 22961030400. Its totient is φ = 3939975168.

The previous prime is 9862824877. The next prime is 9862824887. The reversal of 9862824880 is 884282689.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×9862824880² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (55) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (9862824887) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18640 + ... + 141679.

It is an arithmetic number, because the mean of its divisors is an integer number (574025760).

Almost surely, 2^9862824880 is an apocalyptic number.

It is an amenable number.

9862824880 is an abundant number, since it is smaller than the sum of its proper divisors (13098205520).

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

9862824880 is a wasteful number, since it uses less digits than its factorization.

9862824880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161101 (or 161095 counting only the distinct ones).

The product of its (nonzero) digits is 3538944, while the sum is 55.

The square root of 9862824880 is about 99311.7560009891. The cubic root of 9862824880 is about 2144.5381378719.

The spelling of 9862824880 in words is "nine billion, eight hundred sixty-two million, eight hundred twenty-four thousand, eight hundred eighty".