881328549 has 8 divisors (see below), whose sum is σ = 1194368992. Its totient is φ = 577920240.

The previous prime is 881328533. The next prime is 881328571. The reversal of 881328549 is 945823188.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 881328549 - 2⁴ = 881328533 is a prime.

It is a super-2 number, since 2×881328549² = 1553480022564890802, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 881328498 and 881328507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (881328949) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2407819 + ... + 2408184.

It is an arithmetic number, because the mean of its divisors is an integer number (149296124).

Almost surely, 2^881328549 is an apocalyptic number.

It is an amenable number.

881328549 is a deficient number, since it is larger than the sum of its proper divisors (313040443).

881328549 is a wasteful number, since it uses less digits than its factorization.

881328549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4816067.

The product of its digits is 552960, while the sum is 48.

The square root of 881328549 is about 29687.1781919400. The cubic root of 881328549 is about 958.7659740877.

The spelling of 881328549 in words is "eight hundred eighty-one million, three hundred twenty-eight thousand, five hundred forty-nine".