88666644 has 24 divisors (see below), whose sum is σ = 225697248. Its totient is φ = 26868640.

The previous prime is 88666637. The next prime is 88666649. The reversal of 88666644 is 44666688.

88666644 is digitally balanced in base 9, because in such base it contains all the possibile digits an equal number of times.

88666644 is strictly pandigital in base 9.

It is a nialpdrome in base 10.

It is a zygodrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 88666593 and 88666602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88666649) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 335727 + ... + 335990.

It is an arithmetic number, because the mean of its divisors is an integer number (9404052).

Almost surely, 2^88666644 is an apocalyptic number.

It is an amenable number.

88666644 is an abundant number, since it is smaller than the sum of its proper divisors (137030604).

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

88666644 is a wasteful number, since it uses less digits than its factorization.

88666644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 671735 (or 671733 counting only the distinct ones).

The product of its digits is 1327104, while the sum is 48.

The square root of 88666644 is about 9416.2967242967. The cubic root of 88666644 is about 445.9163778419.

The spelling of 88666644 in words is "eighty-eight million, six hundred sixty-six thousand, six hundred forty-four".