99880009019 has 24 divisors (see below), whose sum is σ = 117106750800. Its totient is φ = 84935075904.

The previous prime is 99880008997. The next prime is 99880009091. The reversal of 99880009019 is 91090008899.

It is not a de Polignac number, because 99880009019 - 2⁸ = 99880008763 is a prime.

It is a super-2 number, since 2×99880009019² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99880009519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6439037 + ... + 6454529.

It is an arithmetic number, because the mean of its divisors is an integer number (4879447950).

Almost surely, 2^99880009019 is an apocalyptic number.

99880009019 is a deficient number, since it is larger than the sum of its proper divisors (17226741781).

99880009019 is a wasteful number, since it uses less digits than its factorization.

99880009019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16539 (or 16532 counting only the distinct ones).

The product of its (nonzero) digits is 419904, while the sum is 53.

The spelling of 99880009019 in words is "ninety-nine billion, eight hundred eighty million, nine thousand, nineteen".