869357997 has 6 divisors (see below), whose sum is σ = 1255739342. Its totient is φ = 579571992.

The previous prime is 869357971. The next prime is 869358001. The reversal of 869357997 is 799753968.

It can be written as a sum of positive squares in only one way, i.e., 860483556 + 8874441 = 29334^2 + 2979^2 .

It is not a de Polignac number, because 869357997 - 2⁷ = 869357869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (869357927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 48297658 + ... + 48297675.

Almost surely, 2^869357997 is an apocalyptic number.

It is an amenable number.

869357997 is a deficient number, since it is larger than the sum of its proper divisors (386381345).

869357997 is a wasteful number, since it uses less digits than its factorization.

869357997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96595339 (or 96595336 counting only the distinct ones).

The product of its digits is 25719120, while the sum is 63.

The square root of 869357997 is about 29484.8774289465. The cubic root of 869357997 is about 954.4053924934.

The spelling of 869357997 in words is "eight hundred sixty-nine million, three hundred fifty-seven thousand, nine hundred ninety-seven".