989585297107 has 4 divisors (see below), whose sum is σ = 1079547596856. Its totient is φ = 899622997360.

The previous prime is 989585297081. The next prime is 989585297117. The reversal of 989585297107 is 701792585989.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 701792585989 = 11 ⋅63799325999.

It is a cyclic number.

It is not a de Polignac number, because 989585297107 - 2³¹ = 987437813459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (989585297117) 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 3 ways as a sum of consecutive naturals, for example, 44981149858 + ... + 44981149879.

It is an arithmetic number, because the mean of its divisors is an integer number (269886899214).

Almost surely, 2^989585297107 is an apocalyptic number.

989585297107 is a deficient number, since it is larger than the sum of its proper divisors (89962299749).

989585297107 is a wasteful number, since it uses less digits than its factorization.

989585297107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89962299748.

The product of its (nonzero) digits is 114307200, while the sum is 70.

The spelling of 989585297107 in words is "nine hundred eighty-nine billion, five hundred eighty-five million, two hundred ninety-seven thousand, one hundred seven".