88969664 has 28 divisors (see below), whose sum is σ = 201771504. Its totient is φ = 38129664.

The previous prime is 88969633. The next prime is 88969693. The reversal of 88969664 is 46696988.

It is a tau number, because it is divible by the number of its divisors (28).

It is a super-2 number, since 2×88969664² = 15831202224545792, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (56).

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 3 ways as a sum of consecutive naturals, for example, 98849 + ... + 99744.

Almost surely, 2^88969664 is an apocalyptic number.

It is an amenable number.

88969664 is an abundant number, since it is smaller than the sum of its proper divisors (112801840).

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

88969664 is a wasteful number, since it uses less digits than its factorization.

88969664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198612 (or 198602 counting only the distinct ones).

The product of its digits is 4478976, while the sum is 56.

The square root of 88969664 is about 9432.3731902422. The cubic root of 88969664 is about 446.4237762630.

The spelling of 88969664 in words is "eighty-eight million, nine hundred sixty-nine thousand, six hundred sixty-four".