89547028 has 6 divisors (see below), whose sum is σ = 156707306. Its totient is φ = 44773512.

The previous prime is 89547001. The next prime is 89547037. The reversal of 89547028 is 82074598.

It can be written as a sum of positive squares in only one way, i.e., 87272964 + 2274064 = 9342^2 + 1508^2 .

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 as a sum of consecutive naturals, namely, 11193375 + ... + 11193382.

Almost surely, 2^89547028 is an apocalyptic number.

It is an amenable number.

89547028 is a deficient number, since it is larger than the sum of its proper divisors (67160278).

89547028 is a wasteful number, since it uses less digits than its factorization.

89547028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22386761 (or 22386759 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 43.

The square root of 89547028 is about 9462.9291448261. The cubic root of 89547028 is about 447.3873761293.

The spelling of 89547028 in words is "eighty-nine million, five hundred forty-seven thousand, twenty-eight".