9900704898 has 96 divisors (see below), whose sum is σ = 25642393920. Its totient is φ = 2823387840.

The previous prime is 9900704897. The next prime is 9900704911. The reversal of 9900704898 is 8984070099.

9900704898 is a `hidden beast` number, since 9 + 90 + 0 + 70 + 489 + 8 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (9900704897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1507590 + ... + 1514142.

It is an arithmetic number, because the mean of its divisors is an integer number (267108270).

Almost surely, 2^9900704898 is an apocalyptic number.

9900704898 is a gapful number since it is divisible by the number (98) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 9900704898, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12821196960).

9900704898 is an abundant number, since it is smaller than the sum of its proper divisors (15741689022).

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

9900704898 is a wasteful number, since it uses less digits than its factorization.

9900704898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7149 (or 7136 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 54.

The square root of 9900704898 is about 99502.2858933402. The cubic root of 9900704898 is about 2147.2801300164.

The spelling of 9900704898 in words is "nine billion, nine hundred million, seven hundred four thousand, eight hundred ninety-eight".