8780616 has 128 divisors (see below), whose sum is σ = 27216000. Its totient is φ = 2605824.

The previous prime is 8780593. The next prime is 8780617. The reversal of 8780616 is 6160878.

8780616 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8780617) 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, 148795 + ... + 148853.

It is an arithmetic number, because the mean of its divisors is an integer number (212625).

Almost surely, 2^8780616 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 8780616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13608000).

8780616 is an abundant number, since it is smaller than the sum of its proper divisors (18435384).

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

8780616 is a wasteful number, since it uses less digits than its factorization.

8780616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140 (or 130 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The square root of 8780616 is about 2963.2104211480. The cubic root of 8780616 is about 206.3043228811.

The spelling of 8780616 in words is "eight million, seven hundred eighty thousand, six hundred sixteen".