98800009 has 24 divisors (see below), whose sum is σ = 126037184. Its totient is φ = 75794400.

The previous prime is 98800001. The next prime is 98800061. The reversal of 98800009 is 90000889.

It is not a de Polignac number, because 98800009 - 2³ = 98800001 is a prime.

It is a super-2 number, since 2×98800009² = 19522883556800162, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (98800001) 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 23 ways as a sum of consecutive naturals, for example, 55879 + ... + 57619.

Almost surely, 2^98800009 is an apocalyptic number.

It is an amenable number.

98800009 is a deficient number, since it is larger than the sum of its proper divisors (27237175).

98800009 is a wasteful number, since it uses less digits than its factorization.

98800009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1837 (or 1826 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 34.

The square root of 98800009 is about 9939.8193645559. The cubic root of 98800009 is about 462.2947854131.

The spelling of 98800009 in words is "ninety-eight million, eight hundred thousand, nine".