881089049 has 16 divisors (see below), whose sum is σ = 945542400. Its totient is φ = 819455616.

The previous prime is 881089019. The next prime is 881089051. The reversal of 881089049 is 940980188.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-881089049 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 881088994 and 881089012.

It is not an unprimeable number, because it can be changed into a prime (881089019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86192 + ... + 95870.

It is an arithmetic number, because the mean of its divisors is an integer number (59096400).

Almost surely, 2^881089049 is an apocalyptic number.

It is an amenable number.

881089049 is a deficient number, since it is larger than the sum of its proper divisors (64453351).

881089049 is a wasteful number, since it uses less digits than its factorization.

881089049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9824.

The product of its (nonzero) digits is 165888, while the sum is 47.

The square root of 881089049 is about 29683.1441899271. The cubic root of 881089049 is about 958.6791183764.

The spelling of 881089049 in words is "eight hundred eighty-one million, eighty-nine thousand, forty-nine".