99748111 has 4 divisors (see below), whose sum is σ = 102965824. Its totient is φ = 96530400.

The previous prime is 99748091. The next prime is 99748127. The reversal of 99748111 is 11184799.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 99748111 - 2¹⁷ = 99617039 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 (99748141) 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, 1608810 + ... + 1608871.

It is an arithmetic number, because the mean of its divisors is an integer number (25741456).

Almost surely, 2^99748111 is an apocalyptic number.

99748111 is the 4467-th centered decagonal number.

99748111 is a deficient number, since it is larger than the sum of its proper divisors (3217713).

99748111 is a wasteful number, since it uses less digits than its factorization.

99748111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3217712.

The product of its digits is 18144, while the sum is 40.

The square root of 99748111 is about 9987.3976089870. The cubic root of 99748111 is about 463.7688339573.

The spelling of 99748111 in words is "ninety-nine million, seven hundred forty-eight thousand, one hundred eleven".