80217258 has 64 divisors (see below), whose sum is σ = 182020608. Its totient is φ = 23353920.

The previous prime is 80217251. The next prime is 80217283. The reversal of 80217258 is 85271208.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (80217251) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 261141 + ... + 261447.

It is an arithmetic number, because the mean of its divisors is an integer number (2844072).

Almost surely, 2^80217258 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80217258, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91010304).

80217258 is an abundant number, since it is smaller than the sum of its proper divisors (101803350).

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

80217258 is a wasteful number, since it uses less digits than its factorization.

80217258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 467.

The product of its (nonzero) digits is 8960, while the sum is 33.

The square root of 80217258 is about 8956.4087669110. The cubic root of 80217258 is about 431.2766422524.

The spelling of 80217258 in words is "eighty million, two hundred seventeen thousand, two hundred fifty-eight".