881317969 has 9 divisors (see below), whose sum is σ = 1025448411. Its totient is φ = 755237280.

The previous prime is 881317967. The next prime is 881317991. The reversal of 881317969 is 969713188.

It is a happy number.

The square root of 881317969 is 29687.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 868068369 + 13249600 = 29463^2 + 3640^2 .

It is not a de Polignac number, because 881317969 - 2¹ = 881317967 is a prime.

It is a super-2 number, since 2×881317969² = 1553442724964569922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (881317967) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 205689 + ... + 209929.

Almost surely, 2^881317969 is an apocalyptic number.

881317969 is the 29687-th square number.

881317969 is the 14844-th centered octagonal number.

It is an amenable number.

881317969 is a deficient number, since it is larger than the sum of its proper divisors (144130442).

881317969 is an frugal number, since it uses more digits than its factorization.

881317969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8496 (or 4248 counting only the distinct ones).

The product of its digits is 653184, while the sum is 52.

The cubic root of 881317969 is about 958.7621375372.

It can be divided in two parts, 88131 and 7969, that added together give a square (96100 = 310²).

The spelling of 881317969 in words is "eight hundred eighty-one million, three hundred seventeen thousand, nine hundred sixty-nine".