99103885 has 4 divisors (see below), whose sum is σ = 118924668. Its totient is φ = 79283104.

The previous prime is 99103883. The next prime is 99103889. The reversal of 99103885 is 58830199.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 58830199 = 2843 ⋅20693.

It can be written as a sum of positive squares in 2 ways, for example, as 69705801 + 29398084 = 8349^2 + 5422^2 .

It is a cyclic number.

It is not a de Polignac number, because 99103885 - 2¹ = 99103883 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99103883) 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 3 ways as a sum of consecutive naturals, for example, 9910384 + ... + 9910393.

It is an arithmetic number, because the mean of its divisors is an integer number (29731167).

Almost surely, 2^99103885 is an apocalyptic number.

It is an amenable number.

99103885 is a deficient number, since it is larger than the sum of its proper divisors (19820783).

99103885 is a wasteful number, since it uses less digits than its factorization.

99103885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19820782.

The product of its (nonzero) digits is 77760, while the sum is 43.

The square root of 99103885 is about 9955.0934199534. The cubic root of 99103885 is about 462.7682553843.

The spelling of 99103885 in words is "ninety-nine million, one hundred three thousand, eight hundred eighty-five".