881095849 has 2 divisors, whose sum is σ = 881095850. Its totient is φ = 881095848.

The previous prime is 881095847. The next prime is 881095861. The reversal of 881095849 is 948590188.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 554932249 + 326163600 = 23557^2 + 18060^2 .

It is a cyclic number.

It is not a de Polignac number, because 881095849 - 2¹ = 881095847 is a prime.

Together with 881095847, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 881095796 and 881095805.

It is not a weakly prime, because it can be changed into another prime (881095847) by changing a digit.

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 as a sum of consecutive naturals, namely, 440547924 + 440547925.

It is an arithmetic number, because the mean of its divisors is an integer number (440547925).

Almost surely, 2^881095849 is an apocalyptic number.

It is an amenable number.

881095849 is a deficient number, since it is larger than the sum of its proper divisors (1).

881095849 is an equidigital number, since it uses as much as digits as its factorization.

881095849 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 829440, while the sum is 52.

The square root of 881095849 is about 29683.2587328278. The cubic root of 881095849 is about 958.6815846429.

The spelling of 881095849 in words is "eight hundred eighty-one million, ninety-five thousand, eight hundred forty-nine".