885087840 has 384 divisors, whose sum is σ = 3584673792. Its totient is φ = 178421760.

The previous prime is 885087793. The next prime is 885087901. The reversal of 885087840 is 48780588.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 885087840.

It is a congruent number.

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 63 ways as a sum of consecutive naturals, for example, 1004200 + ... + 1005080.

It is an arithmetic number, because the mean of its divisors is an integer number (9335088).

Almost surely, 2^885087840 is an apocalyptic number.

885087840 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 885087840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1792336896).

885087840 is an abundant number, since it is smaller than the sum of its proper divisors (2699585952).

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

885087840 is a wasteful number, since it uses less digits than its factorization.

885087840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 942 (or 934 counting only the distinct ones).

The product of its (nonzero) digits is 573440, while the sum is 48.

The square root of 885087840 is about 29750.4258793047. The cubic root of 885087840 is about 960.1272400791.

The spelling of 885087840 in words is "eight hundred eighty-five million, eighty-seven thousand, eight hundred forty".