89477666 has 4 divisors (see below), whose sum is σ = 134216502. Its totient is φ = 44738832.

The previous prime is 89477657. The next prime is 89477671. The reversal of 89477666 is 66677498.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 70073641 + 19404025 = 8371^2 + 4405^2 .

It is a nialpdrome in base 16.

It is a zygodrome in base 16.

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, 22369415 + ... + 22369418.

Almost surely, 2^89477666 is an apocalyptic number.

89477666 is a deficient number, since it is larger than the sum of its proper divisors (44738836).

89477666 is a wasteful number, since it uses less digits than its factorization.

89477666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44738835.

The product of its digits is 3048192, while the sum is 53.

The square root of 89477666 is about 9459.2635019858. The cubic root of 89477666 is about 447.2718327492.

The spelling of 89477666 in words is "eighty-nine million, four hundred seventy-seven thousand, six hundred sixty-six".