881163647 has 16 divisors (see below), whose sum is σ = 1086059520. Its totient is φ = 696187872.

The previous prime is 881163581. The next prime is 881163733. The reversal of 881163647 is 746361188.

It is a cyclic number.

It is not a de Polignac number, because 881163647 - 2⁸ = 881163391 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 881163598 and 881163607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (881163047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60698 + ... + 73800.

It is an arithmetic number, because the mean of its divisors is an integer number (67878720).

Almost surely, 2^881163647 is an apocalyptic number.

881163647 is a deficient number, since it is larger than the sum of its proper divisors (204895873).

881163647 is a wasteful number, since it uses less digits than its factorization.

881163647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13862.

The product of its digits is 193536, while the sum is 44.

The square root of 881163647 is about 29684.4007350662. The cubic root of 881163647 is about 958.7061733515.

The spelling of 881163647 in words is "eight hundred eighty-one million, one hundred sixty-three thousand, six hundred forty-seven".