99983775 has 12 divisors (see below), whose sum is σ = 165306632. Its totient is φ = 53324640.

The previous prime is 99983761. The next prime is 99983797. The reversal of 99983775 is 57738999.

It is not a de Polignac number, because 99983775 - 2⁴ = 99983759 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 666484 + ... + 666633.

Almost surely, 2^99983775 is an apocalyptic number.

99983775 is a deficient number, since it is larger than the sum of its proper divisors (65322857).

99983775 is a wasteful number, since it uses less digits than its factorization.

99983775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1333130 (or 1333125 counting only the distinct ones).

The product of its digits is 4286520, while the sum is 57.

The square root of 99983775 is about 9999.1887170910. The cubic root of 99983775 is about 464.1337787439.

The spelling of 99983775 in words is "ninety-nine million, nine hundred eighty-three thousand, seven hundred seventy-five".