881862868 has 6 divisors (see below), whose sum is σ = 1543260026. Its totient is φ = 440931432.

The previous prime is 881862841. The next prime is 881862887. The reversal of 881862868 is 868268188.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 881614864 + 248004 = 29692^2 + 498^2 .

It is a congruent number.

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 as a sum of consecutive naturals, namely, 110232855 + ... + 110232862.

Almost surely, 2^881862868 is an apocalyptic number.

It is an amenable number.

881862868 is a deficient number, since it is larger than the sum of its proper divisors (661397158).

881862868 is a wasteful number, since it uses less digits than its factorization.

881862868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220465721 (or 220465719 counting only the distinct ones).

The product of its digits is 2359296, while the sum is 55.

The square root of 881862868 is about 29696.1759827760. The cubic root of 881862868 is about 958.9596904888.

The spelling of 881862868 in words is "eight hundred eighty-one million, eight hundred sixty-two thousand, eight hundred sixty-eight".