80217606 has 48 divisors (see below), whose sum is σ = 194759424. Its totient is φ = 21920976.

The previous prime is 80217593. The next prime is 80217617. The reversal of 80217606 is 60671208.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 831 + ... + 12693.

It is an arithmetic number, because the mean of its divisors is an integer number (4057488).

Almost surely, 2^80217606 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80217606, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97379712).

80217606 is an abundant number, since it is smaller than the sum of its proper divisors (114541818).

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

80217606 is a wasteful number, since it uses less digits than its factorization.

80217606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11905 (or 11898 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 80217606 is about 8956.4281943194. The cubic root of 80217606 is about 431.2772659089.

The spelling of 80217606 in words is "eighty million, two hundred seventeen thousand, six hundred six".