8770216 has 48 divisors (see below), whose sum is σ = 20612340. Its totient is φ = 3467520.

The previous prime is 8770213. The next prime is 8770217. The reversal of 8770216 is 6120778.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 8726116 + 44100 = 2954^2 + 210^2 .

It is not an unprimeable number, because it can be changed into a prime (8770213) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4236 + ... + 5956.

Almost surely, 2^8770216 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8770216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10306170).

8770216 is an abundant number, since it is smaller than the sum of its proper divisors (11842124).

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

8770216 is a wasteful number, since it uses less digits than its factorization.

8770216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1754 (or 1743 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 31.

The square root of 8770216 is about 2961.4550477763. The cubic root of 8770216 is about 206.2228398885. Note that the first 3 decimals are identical.

The spelling of 8770216 in words is "eight million, seven hundred seventy thousand, two hundred sixteen".