89636011 has 4 divisors (see below), whose sum is σ = 89664624. Its totient is φ = 89607400.

The previous prime is 89635993. The next prime is 89636021. The reversal of 89636011 is 11063698.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11063698 = 2 ⋅5531849.

It is a cyclic number.

It is not a de Polignac number, because 89636011 - 2⁹ = 89635499 is a prime.

It is a super-2 number, since 2×89636011² = 16069228935984242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89636021) 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 3 ways as a sum of consecutive naturals, for example, 8935 + ... + 16096.

It is an arithmetic number, because the mean of its divisors is an integer number (22416156).

Almost surely, 2^89636011 is an apocalyptic number.

89636011 is a deficient number, since it is larger than the sum of its proper divisors (28613).

89636011 is a wasteful number, since it uses less digits than its factorization.

89636011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28612.

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 89636011 is about 9467.6296399891. The cubic root of 89636011 is about 447.5355168798.

The spelling of 89636011 in words is "eighty-nine million, six hundred thirty-six thousand, eleven".