99775884 has 24 divisors (see below), whose sum is σ = 250719280. Its totient is φ = 30700224.

The previous prime is 99775883. The next prime is 99775891. The reversal of 99775884 is 48857799.

It is not an unprimeable number, because it can be changed into a prime (99775883) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 319639 + ... + 319950.

Almost surely, 2^99775884 is an apocalyptic number.

It is an amenable number.

99775884 is an abundant number, since it is smaller than the sum of its proper divisors (150943396).

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

99775884 is a wasteful number, since it uses less digits than its factorization.

99775884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 639609 (or 639607 counting only the distinct ones).

The product of its digits is 5080320, while the sum is 57.

The square root of 99775884 is about 9988.7879144569. The cubic root of 99775884 is about 463.8118725554.

The spelling of 99775884 in words is "ninety-nine million, seven hundred seventy-five thousand, eight hundred eighty-four".