89199190091 has 8 divisors (see below), whose sum is σ = 98678746368. Its totient is φ = 79948057000.

The previous prime is 89199190051. The next prime is 89199190109. The reversal of 89199190091 is 19009199198.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 89199190091 - 2⁶ = 89199190027 is a prime.

It is a super-3 number, since 3×89199190091³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89199190021) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 57104975 + ... + 57106536.

It is an arithmetic number, because the mean of its divisors is an integer number (12334843296).

Almost surely, 2^89199190091 is an apocalyptic number.

89199190091 is a deficient number, since it is larger than the sum of its proper divisors (9479556277).

89199190091 is a wasteful number, since it uses less digits than its factorization.

89199190091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114211593.

The product of its (nonzero) digits is 472392, while the sum is 56.

The spelling of 89199190091 in words is "eighty-nine billion, one hundred ninety-nine million, one hundred ninety thousand, ninety-one".