89287668 has 36 divisors (see below), whose sum is σ = 231208068. Its totient is φ = 29036160.

The previous prime is 89287637. The next prime is 89287673. The reversal of 89287668 is 86678298.

It can be written as a sum of positive squares in 2 ways, for example, as 40678884 + 48608784 = 6378^2 + 6972^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28771 + ... + 31722.

Almost surely, 2^89287668 is an apocalyptic number.

It is an amenable number.

89287668 is an abundant number, since it is smaller than the sum of its proper divisors (141920400).

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

89287668 is a wasteful number, since it uses less digits than its factorization.

89287668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60544 (or 60539 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 54.

The square root of 89287668 is about 9449.2152055078. The cubic root of 89287668 is about 446.9550275311.

The spelling of 89287668 in words is "eighty-nine million, two hundred eighty-seven thousand, six hundred sixty-eight".