89217772 has 12 divisors (see below), whose sum is σ = 178435600. Its totient is φ = 38236176.

The previous prime is 89217769. The next prime is 89217811. The reversal of 89217772 is 27771298.

It is a happy number.

89217772 is an admirable number.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1593147 + ... + 1593202.

Almost surely, 2^89217772 is an apocalyptic number.

It is an amenable number.

89217772 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

89217772 is a wasteful number, since it uses less digits than its factorization.

89217772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3186360 (or 3186358 counting only the distinct ones).

The product of its digits is 98784, while the sum is 43.

The square root of 89217772 is about 9445.5159732013. The cubic root of 89217772 is about 446.8383689275.

The spelling of 89217772 in words is "eighty-nine million, two hundred seventeen thousand, seven hundred seventy-two".