889711274897 has 8 divisors (see below), whose sum is σ = 894242358696. Its totient is φ = 885189681792.

The previous prime is 889711274887. The next prime is 889711274909. The reversal of 889711274897 is 798472117988.

It can be written as a sum of positive squares in 4 ways, for example, as 258347541841 + 631363733056 = 508279^2 + 794584^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-889711274897 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 889711274897.

It is not an unprimeable number, because it can be changed into a prime (889711274807) 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, 2184668 + ... + 2559725.

It is an arithmetic number, because the mean of its divisors is an integer number (111780294837).

Almost surely, 2^889711274897 is an apocalyptic number.

It is an amenable number.

889711274897 is a deficient number, since it is larger than the sum of its proper divisors (4531083799).

889711274897 is a wasteful number, since it uses less digits than its factorization.

889711274897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4745347.

The product of its digits is 113799168, while the sum is 71.

The spelling of 889711274897 in words is "eight hundred eighty-nine billion, seven hundred eleven million, two hundred seventy-four thousand, eight hundred ninety-seven".