827927469 has 18 divisors (see below), whose sum is σ = 1218922250. Its totient is φ = 541520928.

The previous prime is 827927459. The next prime is 827927501. The reversal of 827927469 is 964729728.

It can be written as a sum of positive squares in 3 ways, for example, as 185913225 + 642014244 = 13635^2 + 25338^2 .

It is not a de Polignac number, because 827927469 - 2⁷ = 827927341 is a prime.

It is a super-2 number, since 2×827927469² = 1370927787849491922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (827927459) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 8907 + ... + 41655.

Almost surely, 2^827927469 is an apocalyptic number.

It is an amenable number.

827927469 is a deficient number, since it is larger than the sum of its proper divisors (390994781).

827927469 is a wasteful number, since it uses less digits than its factorization.

827927469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32861 (or 32805 counting only the distinct ones).

The product of its digits is 3048192, while the sum is 54.

The square root of 827927469 is about 28773.7287990278. The cubic root of 827927469 is about 938.9967676739.

The spelling of 827927469 in words is "eight hundred twenty-seven million, nine hundred twenty-seven thousand, four hundred sixty-nine".