89561608 has 16 divisors (see below), whose sum is σ = 172467180. Its totient is φ = 43570368.

The previous prime is 89561597. The next prime is 89561617. The reversal of 89561608 is 80616598.

It can be written as a sum of positive squares in 2 ways, for example, as 67864644 + 21696964 = 8238^2 + 4658^2 .

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, 150991 + ... + 151582.

Almost surely, 2^89561608 is an apocalyptic number.

It is an amenable number.

89561608 is a deficient number, since it is larger than the sum of its proper divisors (82905572).

89561608 is a wasteful number, since it uses less digits than its factorization.

89561608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302616 (or 302612 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 43.

The square root of 89561608 is about 9463.6994880438. The cubic root of 89561608 is about 447.4116559374.

The spelling of 89561608 in words is "eighty-nine million, five hundred sixty-one thousand, six hundred eight".