9928820288299 has 24 divisors (see below), whose sum is σ = 11267178051584. Its totient is φ = 8733766258800.

The previous prime is 9928820288239. The next prime is 9928820288327.

9928820288299 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 9928820288299 - 2⁴³ = 1132727266091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9928820288239) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26169934 + ... + 26546620.

Almost surely, 2^{9928820288299} is an apocalyptic number.

9928820288299 is a deficient number, since it is larger than the sum of its proper divisors (1338357763285).

9928820288299 is a wasteful number, since it uses less digits than its factorization.

9928820288299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383767 (or 383756 counting only the distinct ones).

The product of its (nonzero) digits is 429981696, while the sum is 76.

The spelling of 9928820288299 in words is "nine trillion, nine hundred twenty-eight billion, eight hundred twenty million, two hundred eighty-eight thousand, two hundred ninety-nine".