8775009999 has 24 divisors (see below), whose sum is σ = 14581678592. Its totient is φ = 4981078800.

The previous prime is 8775009977. The next prime is 8775010019. The reversal of 8775009999 is 9999005778.

It is not a de Polignac number, because 8775009999 - 2⁵ = 8775009967 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8775007999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 451699 + ... + 470724.

Almost surely, 2^8775009999 is an apocalyptic number.

8775009999 is a deficient number, since it is larger than the sum of its proper divisors (5806668593).

8775009999 is a wasteful number, since it uses less digits than its factorization.

8775009999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 922587 (or 922584 counting only the distinct ones).

The product of its (nonzero) digits is 12859560, while the sum is 63.

The square root of 8775009999 is about 93675.0233466744. The cubic root of 8775009999 is about 2062.6040840476.

The spelling of 8775009999 in words is "eight billion, seven hundred seventy-five million, nine thousand, nine hundred ninety-nine".