885216780 has 288 divisors, whose sum is σ = 3210375168. Its totient is φ = 193190400.

The previous prime is 885216763. The next prime is 885216803. The reversal of 885216780 is 87612588.

It is a Harshad number since it is a multiple of its sum of digits (45).

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 95 ways as a sum of consecutive naturals, for example, 5116774 + ... + 5116946.

It is an arithmetic number, because the mean of its divisors is an integer number (11147136).

Almost surely, 2^885216780 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 885216780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1605187584).

885216780 is an abundant number, since it is smaller than the sum of its proper divisors (2325158388).

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

885216780 is a wasteful number, since it uses less digits than its factorization.

885216780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357 (or 352 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 45.

The square root of 885216780 is about 29752.5928281889. The cubic root of 885216780 is about 960.1738617399.

The spelling of 885216780 in words is "eight hundred eighty-five million, two hundred sixteen thousand, seven hundred eighty".