881869441 has 4 divisors (see below), whose sum is σ = 933744132. Its totient is φ = 829994752.

The previous prime is 881869409. The next prime is 881869447. The reversal of 881869441 is 144968188.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 806787216 + 75082225 = 28404^2 + 8665^2 .

It is a cyclic number.

It is not a de Polignac number, because 881869441 - 2⁵ = 881869409 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (881869447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25937320 + ... + 25937353.

It is an arithmetic number, because the mean of its divisors is an integer number (233436033).

Almost surely, 2^881869441 is an apocalyptic number.

It is an amenable number.

881869441 is a deficient number, since it is larger than the sum of its proper divisors (51874691).

881869441 is a wasteful number, since it uses less digits than its factorization.

881869441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51874690.

The product of its digits is 442368, while the sum is 49.

The square root of 881869441 is about 29696.2866533848. The cubic root of 881869441 is about 958.9620730310.

The spelling of 881869441 in words is "eight hundred eighty-one million, eight hundred sixty-nine thousand, four hundred forty-one".