9987337899 has 48 divisors (see below), whose sum is σ = 18002559744. Its totient is φ = 5183409600.

The previous prime is 9987337883. The next prime is 9987337903.

9987337899 is a `hidden beast` number, since 99 + 87 + 3 + 378 + 99 = 666.

9987337899 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 9987337899 - 2⁴ = 9987337883 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9987337819) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 812332 + ... + 824534.

It is an arithmetic number, because the mean of its divisors is an integer number (375053328).

Almost surely, 2^9987337899 is an apocalyptic number.

9987337899 is a gapful number since it is divisible by the number (99) formed by its first and last digit.

9987337899 is a deficient number, since it is larger than the sum of its proper divisors (8015221845).

9987337899 is a wasteful number, since it uses less digits than its factorization.

9987337899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13408 (or 13405 counting only the distinct ones).

The product of its digits is 185177664, while the sum is 72.

The square root of 9987337899 is about 99936.6694412016. The cubic root of 9987337899 is about 2153.5249836425.

The spelling of 9987337899 in words is "nine billion, nine hundred eighty-seven million, three hundred thirty-seven thousand, eight hundred ninety-nine".