88809564 has 48 divisors (see below), whose sum is σ = 220147200. Its totient is φ = 27768576.

The previous prime is 88809559. The next prime is 88809607. The reversal of 88809564 is 46590888.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84957 + ... + 85995.

It is an arithmetic number, because the mean of its divisors is an integer number (4586400).

Almost surely, 2^88809564 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 88809564, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110073600).

88809564 is an abundant number, since it is smaller than the sum of its proper divisors (131337636).

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

88809564 is a wasteful number, since it uses less digits than its factorization.

88809564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1482 (or 1480 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 48.

The square root of 88809564 is about 9423.8826393371. The cubic root of 88809564 is about 446.1558371416.

The spelling of 88809564 in words is "eighty-eight million, eight hundred nine thousand, five hundred sixty-four".