881866682297 has 4 divisors (see below), whose sum is σ = 884483497716. Its totient is φ = 879249866880.

The previous prime is 881866682243. The next prime is 881866682299. The reversal of 881866682297 is 792286668188.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 220265016976 + 661601665321 = 469324^2 + 813389^2 .

It is a cyclic number.

It is not a de Polignac number, because 881866682297 - 2²⁰ = 881865633721 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 881866682297.

It is not an unprimeable number, because it can be changed into a prime (881866682299) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1308407204 + ... + 1308407877.

It is an arithmetic number, because the mean of its divisors is an integer number (221120874429).

Almost surely, 2^881866682297 is an apocalyptic number.

It is an amenable number.

881866682297 is a deficient number, since it is larger than the sum of its proper divisors (2616815419).

881866682297 is a wasteful number, since it uses less digits than its factorization.

881866682297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2616815418.

The product of its digits is 222953472, while the sum is 71.

The spelling of 881866682297 in words is "eight hundred eighty-one billion, eight hundred sixty-six million, six hundred eighty-two thousand, two hundred ninety-seven".