88661808 has 60 divisors (see below), whose sum is σ = 249634320. Its totient is φ = 29374848.

The previous prime is 88661801. The next prime is 88661813. The reversal of 88661808 is 80816688.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (88661801) 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 11 ways as a sum of consecutive naturals, for example, 23133 + ... + 26691.

It is an arithmetic number, because the mean of its divisors is an integer number (4160572).

Almost surely, 2^88661808 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 88661808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124817160).

88661808 is an abundant number, since it is smaller than the sum of its proper divisors (160972512).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

88661808 is a wasteful number, since it uses less digits than its factorization.

88661808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3746 (or 3737 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 45.

The square root of 88661808 is about 9416.0399319459. The cubic root of 88661808 is about 445.9082707315.

The spelling of 88661808 in words is "eighty-eight million, six hundred sixty-one thousand, eight hundred eight".