88663688 has 8 divisors (see below), whose sum is σ = 166244430. Its totient is φ = 44331840.

The previous prime is 88663681. The next prime is 88663691. The reversal of 88663688 is 88636688.

It can be written as a sum of positive squares in only one way, i.e., 70190884 + 18472804 = 8378^2 + 4298^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×88663688² = 15722499139522688, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (88663681) 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 as a sum of consecutive naturals, namely, 5541473 + ... + 5541488.

Almost surely, 2^88663688 is an apocalyptic number.

It is an amenable number.

88663688 is a deficient number, since it is larger than the sum of its proper divisors (77580742).

88663688 is a wasteful number, since it uses less digits than its factorization.

88663688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11082967 (or 11082963 counting only the distinct ones).

The product of its digits is 2654208, while the sum is 53.

The square root of 88663688 is about 9416.1397610698. The cubic root of 88663688 is about 445.9114224141.

Subtracting from 88663688 its reverse (88636688), we obtain a cube (27000 = 30³).

The spelling of 88663688 in words is "eighty-eight million, six hundred sixty-three thousand, six hundred eighty-eight".