990584485099 has 32 divisors (see below), whose sum is σ = 1119917611008. Its totient is φ = 868034880000.

The previous prime is 990584485063. The next prime is 990584485133.

990584485099 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 990584485099 - 2⁷ = 990584484971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (990584485049) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 100226212 + ... + 100236094.

It is an arithmetic number, because the mean of its divisors is an integer number (34997425344).

Almost surely, 2^990584485099 is an apocalyptic number.

990584485099 is a deficient number, since it is larger than the sum of its proper divisors (129333125909).

990584485099 is a wasteful number, since it uses less digits than its factorization.

990584485099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11059.

The product of its (nonzero) digits is 167961600, while the sum is 70.

The spelling of 990584485099 in words is "nine hundred ninety billion, five hundred eighty-four million, four hundred eighty-five thousand, ninety-nine".