9970899587 has 16 divisors (see below), whose sum is σ = 11003768160. Its totient is φ = 8959507200.

The previous prime is 9970899581. The next prime is 9970899623. The reversal of 9970899587 is 7859980799.

9970899587 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 9970899587 - 2¹⁰ = 9970898563 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9970899587.

It is not an unprimeable number, because it can be changed into a prime (9970899581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 494903 + ... + 514655.

It is an arithmetic number, because the mean of its divisors is an integer number (687735510).

Almost surely, 2^9970899587 is an apocalyptic number.

9970899587 is a deficient number, since it is larger than the sum of its proper divisors (1032868573).

9970899587 is a wasteful number, since it uses less digits than its factorization.

9970899587 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20294.

The product of its (nonzero) digits is 102876480, while the sum is 71.

The square root of 9970899587 is about 99854.3919264446. The cubic root of 9970899587 is about 2152.3428282744.

The spelling of 9970899587 in words is "nine billion, nine hundred seventy million, eight hundred ninety-nine thousand, five hundred eighty-seven".