89528453444 has 12 divisors (see below), whose sum is σ = 156681279468. Its totient is φ = 44762373600.

The previous prime is 89528453423. The next prime is 89528453449. The reversal of 89528453444 is 44435482598.

It can be written as a sum of positive squares in 2 ways, for example, as 37128665344 + 52399788100 = 192688^2 + 228910^2 .

It is a super-2 number, since 2×89528453444² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 89528453444.

It is not an unprimeable number, because it can be changed into a prime (89528453449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 351587 + ... + 550154.

It is an arithmetic number, because the mean of its divisors is an integer number (13056773289).

Almost surely, 2^89528453444 is an apocalyptic number.

It is an amenable number.

89528453444 is a deficient number, since it is larger than the sum of its proper divisors (67152826024).

89528453444 is a wasteful number, since it uses less digits than its factorization.

89528453444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 926566 (or 926564 counting only the distinct ones).

The product of its digits is 22118400, while the sum is 56.

The spelling of 89528453444 in words is "eighty-nine billion, five hundred twenty-eight million, four hundred fifty-three thousand, four hundred forty-four".