89679858 has 16 divisors (see below), whose sum is σ = 180010560. Its totient is φ = 29784816.

The previous prime is 89679839. The next prime is 89679883. The reversal of 89679858 is 85897698.

It is a happy number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25318 + ... + 28641.

It is an arithmetic number, because the mean of its divisors is an integer number (11250660).

Almost surely, 2^89679858 is an apocalyptic number.

89679858 is an abundant number, since it is smaller than the sum of its proper divisors (90330702).

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

89679858 is a wasteful number, since it uses less digits than its factorization.

89679858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54241.

The product of its digits is 8709120, while the sum is 60.

The square root of 89679858 is about 9469.9449840007. The cubic root of 89679858 is about 447.6084782220.

The spelling of 89679858 in words is "eighty-nine million, six hundred seventy-nine thousand, eight hundred fifty-eight".