89445772 has 24 divisors (see below), whose sum is σ = 178488576. Its totient is φ = 38853888.

The previous prime is 89445767. The next prime is 89445779. The reversal of 89445772 is 27754498.

It is a super-2 number, since 2×89445772² = 16001092257351968, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (89445779) 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 7 ways as a sum of consecutive naturals, for example, 49708 + ... + 51475.

It is an arithmetic number, because the mean of its divisors is an integer number (7437024).

Almost surely, 2^89445772 is an apocalyptic number.

It is an amenable number.

89445772 is a deficient number, since it is larger than the sum of its proper divisors (89042804).

89445772 is a wasteful number, since it uses less digits than its factorization.

89445772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101217 (or 101215 counting only the distinct ones).

The product of its digits is 564480, while the sum is 46.

The square root of 89445772 is about 9457.5774910915. The cubic root of 89445772 is about 447.2186836087.

The spelling of 89445772 in words is "eighty-nine million, four hundred forty-five thousand, seven hundred seventy-two".