827161975 has 12 divisors (see below), whose sum is σ = 1049535256. Its totient is φ = 646339680.

The previous prime is 827161963. The next prime is 827162029. The reversal of 827161975 is 579161728.

It is a happy number.

It is not a de Polignac number, because 827161975 - 2⁵ = 827161943 is a prime.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 383652 + ... + 385801.

Almost surely, 2^827161975 is an apocalyptic number.

827161975 is a deficient number, since it is larger than the sum of its proper divisors (222373281).

827161975 is a wasteful number, since it uses less digits than its factorization.

827161975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 769506 (or 769501 counting only the distinct ones).

The product of its digits is 211680, while the sum is 46.

The square root of 827161975 is about 28760.4237625248. The cubic root of 827161975 is about 938.7072825586.

The spelling of 827161975 in words is "eight hundred twenty-seven million, one hundred sixty-one thousand, nine hundred seventy-five".