89679221 has 8 divisors (see below), whose sum is σ = 94948320. Its totient is φ = 84465072.

The previous prime is 89679217. The next prime is 89679263. The reversal of 89679221 is 12297698.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 89679221 - 2² = 89679217 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89676221) 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, 10355 + ... + 16928.

It is an arithmetic number, because the mean of its divisors is an integer number (11868540).

Almost surely, 2^89679221 is an apocalyptic number.

It is an amenable number.

89679221 is a deficient number, since it is larger than the sum of its proper divisors (5269099).

89679221 is a wasteful number, since it uses less digits than its factorization.

89679221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27475.

The product of its digits is 108864, while the sum is 44.

The square root of 89679221 is about 9469.9113512218. The cubic root of 89679221 is about 447.6074184252.

The spelling of 89679221 in words is "eighty-nine million, six hundred seventy-nine thousand, two hundred twenty-one".