885661896 has 128 divisors (see below), whose sum is σ = 2736000000. Its totient is φ = 233217792.

The previous prime is 885661891. The next prime is 885661901. The reversal of 885661896 is 698166588.

It is an interprime number because it is at equal distance from previous prime (885661891) and next prime (885661901).

It is a Harshad number since it is a multiple of its sum of digits (57).

It is not an unprimeable number, because it can be changed into a prime (885661891) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 114355 + ... + 121853.

It is an arithmetic number, because the mean of its divisors is an integer number (21375000).

Almost surely, 2^885661896 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 885661896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1368000000).

885661896 is an abundant number, since it is smaller than the sum of its proper divisors (1850338104).

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

885661896 is a wasteful number, since it uses less digits than its factorization.

885661896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7571 (or 7567 counting only the distinct ones).

The product of its digits is 4976640, while the sum is 57.

The square root of 885661896 is about 29760.0721773318. The cubic root of 885661896 is about 960.3347703984.

The spelling of 885661896 in words is "eight hundred eighty-five million, six hundred sixty-one thousand, eight hundred ninety-six".