99381083900 has 36 divisors (see below), whose sum is σ = 246465089808. Its totient is φ = 34073514240.

The previous prime is 99381083869. The next prime is 99381084017. The reversal of 99381083900 is 938018399.

It is a Harshad number since it is a multiple of its sum of digits (50).

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 70985789 + ... + 70987188.

Almost surely, 2^99381083900 is an apocalyptic number.

It is an amenable number.

99381083900 is an abundant number, since it is smaller than the sum of its proper divisors (147084005908).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

99381083900 is a wasteful number, since it uses less digits than its factorization.

99381083900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141972998 (or 141972991 counting only the distinct ones).

The product of its (nonzero) digits is 419904, while the sum is 50.

The spelling of 99381083900 in words is "ninety-nine billion, three hundred eighty-one million, eighty-three thousand, nine hundred".