881347521 has 8 divisors (see below), whose sum is σ = 1203791904. Its totient is φ = 573234080.

The previous prime is 881347483. The next prime is 881347531. The reversal of 881347521 is 125743188.

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

It is a cyclic number.

It is not a de Polignac number, because 881347521 - 2¹¹ = 881345473 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 881347521.

It is not an unprimeable number, because it can be changed into a prime (881347531) 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, 3582591 + ... + 3582836.

It is an arithmetic number, because the mean of its divisors is an integer number (150473988).

Almost surely, 2^881347521 is an apocalyptic number.

It is an amenable number.

881347521 is a deficient number, since it is larger than the sum of its proper divisors (322444383).

881347521 is a wasteful number, since it uses less digits than its factorization.

881347521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7165471.

The product of its digits is 53760, while the sum is 39.

The square root of 881347521 is about 29687.4977221052. The cubic root of 881347521 is about 958.7728536930.

The spelling of 881347521 in words is "eight hundred eighty-one million, three hundred forty-seven thousand, five hundred twenty-one".