827794931 has 2 divisors, whose sum is σ = 827794932. Its totient is φ = 827794930.

The previous prime is 827794927. The next prime is 827794951. The reversal of 827794931 is 139497728.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 827794931 - 2² = 827794927 is a prime.

It is a super-2 number, since 2×827794931² = 1370488895578589522, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 827794931.

It is not a weakly prime, because it can be changed into another prime (827794951) 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 as a sum of consecutive naturals, namely, 413897465 + 413897466.

It is an arithmetic number, because the mean of its divisors is an integer number (413897466).

Almost surely, 2^827794931 is an apocalyptic number.

827794931 is a deficient number, since it is larger than the sum of its proper divisors (1).

827794931 is an equidigital number, since it uses as much as digits as its factorization.

827794931 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 762048, while the sum is 50.

The square root of 827794931 is about 28771.4255990210. The cubic root of 827794931 is about 938.9466588581.

The spelling of 827794931 in words is "eight hundred twenty-seven million, seven hundred ninety-four thousand, nine hundred thirty-one".