89765944 has 16 divisors (see below), whose sum is σ = 169443000. Its totient is φ = 44581152.

The previous prime is 89765927. The next prime is 89765947. The reversal of 89765944 is 44956798.

It is a happy number.

It is a super-2 number, since 2×89765944² = 16115849404422272, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 89765891 and 89765900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89765947) 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 3 ways as a sum of consecutive naturals, for example, 36462 + ... + 38845.

Almost surely, 2^89765944 is an apocalyptic number.

It is an amenable number.

89765944 is a deficient number, since it is larger than the sum of its proper divisors (79677056).

89765944 is a wasteful number, since it uses less digits than its factorization.

89765944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75462 (or 75458 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 52.

The square root of 89765944 is about 9474.4891155144. The cubic root of 89765944 is about 447.7516560449.

It can be divided in two parts, 89765 and 944, that added together give a palindrome (90709).

The spelling of 89765944 in words is "eighty-nine million, seven hundred sixty-five thousand, nine hundred forty-four".