8779820 has 108 divisors (see below), whose sum is σ = 23518656. Its totient is φ = 2741760.

The previous prime is 8779819. The next prime is 8779831. The reversal of 8779820 is 289778.

It is a nialpdrome in base 15.

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 35 ways as a sum of consecutive naturals, for example, 283205 + ... + 283235.

Almost surely, 2^8779820 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 8779820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11759328).

8779820 is an abundant number, since it is smaller than the sum of its proper divisors (14738836).

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

8779820 is a wasteful number, since it uses less digits than its factorization.

8779820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88 (or 62 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 41.

The square root of 8779820 is about 2963.0761043213. The cubic root of 8779820 is about 206.2980885727.

The spelling of 8779820 in words is "eight million, seven hundred seventy-nine thousand, eight hundred twenty".