88961189 has 8 divisors (see below), whose sum is σ = 91791360. Its totient is φ = 86173776.

The previous prime is 88961179. The next prime is 88961219. The reversal of 88961189 is 98116988.

It is a happy number.

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 88961189 - 2²⁰ = 87912613 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 (88961129) 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 7 ways as a sum of consecutive naturals, for example, 6437 + ... + 14810.

It is an arithmetic number, because the mean of its divisors is an integer number (11473920).

Almost surely, 2^88961189 is an apocalyptic number.

It is an amenable number.

88961189 is a deficient number, since it is larger than the sum of its proper divisors (2830171).

88961189 is a wasteful number, since it uses less digits than its factorization.

88961189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21379.

The product of its digits is 248832, while the sum is 50.

The square root of 88961189 is about 9431.9239288705. The cubic root of 88961189 is about 446.4096007884.

The spelling of 88961189 in words is "eighty-eight million, nine hundred sixty-one thousand, one hundred eighty-nine".