89679666 has 32 divisors (see below), whose sum is σ = 184393728. Its totient is φ = 29062800.

The previous prime is 89679661. The next prime is 89679679. The reversal of 89679666 is 66697698.

It is not an unprimeable number, because it can be changed into a prime (89679661) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 44991 + ... + 46941.

It is an arithmetic number, because the mean of its divisors is an integer number (5762304).

Almost surely, 2^89679666 is an apocalyptic number.

89679666 is an abundant number, since it is smaller than the sum of its proper divisors (94714062).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

89679666 is a wasteful number, since it uses less digits than its factorization.

89679666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2166.

The product of its digits is 5878656, while the sum is 57.

The square root of 89679666 is about 9469.9348466608. The cubic root of 89679666 is about 447.6081587861.

The spelling of 89679666 in words is "eighty-nine million, six hundred seventy-nine thousand, six hundred sixty-six".