89801111 has 4 divisors (see below), whose sum is σ = 91991424. Its totient is φ = 87610800.

The previous prime is 89801099. The next prime is 89801113. The reversal of 89801111 is 11110898.

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 89801111 - 2¹⁴ = 89784727 is a prime.

It is a super-3 number, since 3×89801111³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89801113) 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, 1095095 + ... + 1095176.

It is an arithmetic number, because the mean of its divisors is an integer number (22997856).

Almost surely, 2^89801111 is an apocalyptic number.

89801111 is a deficient number, since it is larger than the sum of its proper divisors (2190313).

89801111 is a wasteful number, since it uses less digits than its factorization.

89801111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2190312.

The product of its (nonzero) digits is 576, while the sum is 29.

The square root of 89801111 is about 9476.3448122153. The cubic root of 89801111 is about 447.8101192957.

The spelling of 89801111 in words is "eighty-nine million, eight hundred one thousand, one hundred eleven".