827160811 has 4 divisors (see below), whose sum is σ = 835350624. Its totient is φ = 818971000.

The previous prime is 827160809. The next prime is 827160827. The reversal of 827160811 is 118061728.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 827160811 - 2¹ = 827160809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (827163811) 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 3 ways as a sum of consecutive naturals, for example, 4094755 + ... + 4094956.

It is an arithmetic number, because the mean of its divisors is an integer number (208837656).

Almost surely, 2^827160811 is an apocalyptic number.

827160811 is a deficient number, since it is larger than the sum of its proper divisors (8189813).

827160811 is a wasteful number, since it uses less digits than its factorization.

827160811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8189812.

The product of its (nonzero) digits is 5376, while the sum is 34.

The square root of 827160811 is about 28760.4035263763. The cubic root of 827160811 is about 938.7068422355.

The spelling of 827160811 in words is "eight hundred twenty-seven million, one hundred sixty thousand, eight hundred eleven".