881845986 has 64 divisors (see below), whose sum is σ = 2072549376. Its totient is φ = 244944000.

The previous prime is 881845973. The next prime is 881846023. The reversal of 881845986 is 689548188.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 215661 + ... + 219711.

It is an arithmetic number, because the mean of its divisors is an integer number (32383584).

Almost surely, 2^881845986 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 881845986, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1036274688).

881845986 is an abundant number, since it is smaller than the sum of its proper divisors (1190703390).

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

881845986 is a wasteful number, since it uses less digits than its factorization.

881845986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4207.

The product of its digits is 4423680, while the sum is 57.

The square root of 881845986 is about 29695.8917360634. The cubic root of 881845986 is about 958.9535711471.

The spelling of 881845986 in words is "eight hundred eighty-one million, eight hundred forty-five thousand, nine hundred eighty-six".