8216880 has 160 divisors (see below), whose sum is σ = 29950464. Its totient is φ = 1824768.

The previous prime is 8216863. The next prime is 8216893. The reversal of 8216880 is 886128.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 112524 + ... + 112596.

Almost surely, 2^8216880 is an apocalyptic number.

8216880 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8216880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14975232).

8216880 is an abundant number, since it is smaller than the sum of its proper divisors (21733584).

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

8216880 is a wasteful number, since it uses less digits than its factorization.

8216880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163 (or 157 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 33.

The square root of 8216880 is about 2866.5100732424. The cubic root of 8216880 is about 201.7912426874.

The spelling of 8216880 in words is "eight million, two hundred sixteen thousand, eight hundred eighty".