88636889 has 8 divisors (see below), whose sum is σ = 98944032. Its totient is φ = 78704640.

The previous prime is 88636859. The next prime is 88636903. The reversal of 88636889 is 98863688.

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 88636889 - 2⁸ = 88636633 is a prime.

It is not an unprimeable number, because it can be changed into a prime (88636859) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93224 + ... + 94169.

It is an arithmetic number, because the mean of its divisors is an integer number (12368004).

Almost surely, 2^88636889 is an apocalyptic number.

It is an amenable number.

88636889 is a deficient number, since it is larger than the sum of its proper divisors (10307143).

88636889 is a wasteful number, since it uses less digits than its factorization.

88636889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187447.

The product of its digits is 3981312, while the sum is 56.

The square root of 88636889 is about 9414.7166181463. The cubic root of 88636889 is about 445.8664916401.

The spelling of 88636889 in words is "eighty-eight million, six hundred thirty-six thousand, eight hundred eighty-nine".