8879780 has 144 divisors (see below), whose sum is σ = 25338096. Its totient is φ = 2580480.

The previous prime is 8879777. The next prime is 8879791. The reversal of 8879780 is 879788.

It can be written as a sum of positive squares in 8 ways, for example, as 1350244 + 7529536 = 1162^2 + 2744^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 216560 + ... + 216600.

It is an arithmetic number, because the mean of its divisors is an integer number (175959).

Almost surely, 2^8879780 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 8879780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12669048).

8879780 is an abundant number, since it is smaller than the sum of its proper divisors (16458316).

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

8879780 is a wasteful number, since it uses less digits than its factorization.

8879780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94 (or 85 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 47.

The square root of 8879780 is about 2979.8959713386. The cubic root of 8879780 is about 207.0780509574.

The spelling of 8879780 in words is "eight million, eight hundred seventy-nine thousand, seven hundred eighty".