881017538816 has 18 divisors (see below), whose sum is σ = 1758593603382. Its totient is φ = 440508769280.

The previous prime is 881017538813. The next prime is 881017538827. The reversal of 881017538816 is 618835710188.

It can be written as a sum of positive squares in only one way, i.e., 698093670400 + 182923868416 = 835520^2 + 427696^2 .

It is not an unprimeable number, because it can be changed into a prime (881017538813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1720737125 + ... + 1720737636.

Almost surely, 2^881017538816 is an apocalyptic number.

It is an amenable number.

881017538816 is a deficient number, since it is larger than the sum of its proper divisors (877576064566).

881017538816 is an equidigital number, since it uses as much as digits as its factorization.

881017538816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3441474777 (or 3441474763 counting only the distinct ones).

The product of its (nonzero) digits is 2580480, while the sum is 56.

The spelling of 881017538816 in words is "eight hundred eighty-one billion, seventeen million, five hundred thirty-eight thousand, eight hundred sixteen".