869175831616 has 21 divisors (see below), whose sum is σ = 1724785591189. Its totient is φ = 434584186624.

The previous prime is 869175831611. The next prime is 869175831617. The reversal of 869175831616 is 616138571968.

The square root of 869175831616 is 932296.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 861555240000 + 7620591616 = 928200^2 + 87296^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (869175831611) 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 2 ways as a sum of consecutive naturals, for example, 7400100 + ... + 7516636.

Almost surely, 2^869175831616 is an apocalyptic number.

869175831616 is the 932296-th square number.

It is an amenable number.

869175831616 is a deficient number, since it is larger than the sum of its proper divisors (855609759573).

869175831616 is an frugal number, since it uses more digits than its factorization.

869175831616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233086 (or 116539 counting only the distinct ones).

The product of its digits is 13063680, while the sum is 61.

The spelling of 869175831616 in words is "eight hundred sixty-nine billion, one hundred seventy-five million, eight hundred thirty-one thousand, six hundred sixteen".