89760666 has 16 divisors (see below), whose sum is σ = 180374688. Its totient is φ = 29778000.

The previous prime is 89760661. The next prime is 89760667. The reversal of 89760666 is 66606798.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (89760661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34185 + ... + 36716.

It is an arithmetic number, because the mean of its divisors is an integer number (11273418).

Almost surely, 2^89760666 is an apocalyptic number.

89760666 is an abundant number, since it is smaller than the sum of its proper divisors (90614022).

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

89760666 is a wasteful number, since it uses less digits than its factorization.

89760666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71117.

The product of its (nonzero) digits is 653184, while the sum is 48.

The square root of 89760666 is about 9474.2105739740. The cubic root of 89760666 is about 447.7428803353.

The spelling of 89760666 in words is "eighty-nine million, seven hundred sixty thousand, six hundred sixty-six".