9982821607 has 16 divisors (see below), whose sum is σ = 11039975712. Its totient is φ = 8951454720.

The previous prime is 9982821601. The next prime is 9982821623. The reversal of 9982821607 is 7061282899.

It is a cyclic number.

It is not a de Polignac number, because 9982821607 - 2¹⁹ = 9982297319 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9982821601) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 215503 + ... + 257695.

It is an arithmetic number, because the mean of its divisors is an integer number (689998482).

Almost surely, 2^9982821607 is an apocalyptic number.

9982821607 is a deficient number, since it is larger than the sum of its proper divisors (1057154105).

9982821607 is a wasteful number, since it uses less digits than its factorization.

9982821607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42498.

The product of its (nonzero) digits is 870912, while the sum is 52.

The square root of 9982821607 is about 99914.0711161346. The cubic root of 9982821607 is about 2153.2003254219.

The spelling of 9982821607 in words is "nine billion, nine hundred eighty-two million, eight hundred twenty-one thousand, six hundred seven".