89564770 has 16 divisors (see below), whose sum is σ = 161336448. Its totient is φ = 35799280.

The previous prime is 89564767. The next prime is 89564791. The reversal of 89564770 is 7746598.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 89564770.

It is an unprimeable number.

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, 16317 + ... + 21103.

It is an arithmetic number, because the mean of its divisors is an integer number (10083528).

Almost surely, 2^89564770 is an apocalyptic number.

89564770 is a deficient number, since it is larger than the sum of its proper divisors (71771678).

89564770 is a wasteful number, since it uses less digits than its factorization.

89564770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6665.

The product of its (nonzero) digits is 423360, while the sum is 46.

The square root of 89564770 is about 9463.8665459737. The cubic root of 89564770 is about 447.4169212106.

The spelling of 89564770 in words is "eighty-nine million, five hundred sixty-four thousand, seven hundred seventy".