9900811882 has 16 divisors (see below), whose sum is σ = 16003553832. Its totient is φ = 4566767040.

The previous prime is 9900811873. The next prime is 9900811891. The reversal of 9900811882 is 2881180099.

It is an interprime number because it is at equal distance from previous prime (9900811873) and next prime (9900811891).

It can be written as a sum of positive squares in 4 ways, for example, as 9483059161 + 417752721 = 97381^2 + 20439^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75313 + ... + 159604.

Almost surely, 2^9900811882 is an apocalyptic number.

9900811882 is a deficient number, since it is larger than the sum of its proper divisors (6102741950).

9900811882 is a wasteful number, since it uses less digits than its factorization.

9900811882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236553.

The product of its (nonzero) digits is 82944, while the sum is 46.

The square root of 9900811882 is about 99502.8234875775. The cubic root of 9900811882 is about 2147.2878642735.

The spelling of 9900811882 in words is "nine billion, nine hundred million, eight hundred eleven thousand, eight hundred eighty-two".