88661133 has 24 divisors (see below), whose sum is σ = 141107616. Its totient is φ = 53196000.

The previous prime is 88661119. The next prime is 88661189. The reversal of 88661133 is 33116688.

88661133 is a `hidden beast` number, since 8 + 8 + 6 + 611 + 33 = 666.

It is not a de Polignac number, because 88661133 - 2⁴ = 88661117 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a zygodrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88661233) 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 23 ways as a sum of consecutive naturals, for example, 5566 + ... + 14432.

It is an arithmetic number, because the mean of its divisors is an integer number (5879484).

Almost surely, 2^88661133 is an apocalyptic number.

It is an amenable number.

88661133 is a deficient number, since it is larger than the sum of its proper divisors (52446483).

88661133 is a wasteful number, since it uses less digits than its factorization.

88661133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8985 (or 8982 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 88661133 is about 9416.0040887842. The cubic root of 88661133 is about 445.9071391325.

It can be divided in two parts, 8866 and 1133, that added together give a palindrome (9999).

The spelling of 88661133 in words is "eighty-eight million, six hundred sixty-one thousand, one hundred thirty-three".