827495407 has 2 divisors, whose sum is σ = 827495408. Its totient is φ = 827495406.

The previous prime is 827495401. The next prime is 827495423. The reversal of 827495407 is 704594728.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 827495407 - 2³ = 827495399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (827495401) 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, 413747703 + 413747704.

It is an arithmetic number, because the mean of its divisors is an integer number (413747704).

Almost surely, 2^827495407 is an apocalyptic number.

827495407 is a deficient number, since it is larger than the sum of its proper divisors (1).

827495407 is an equidigital number, since it uses as much as digits as its factorization.

827495407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 564480, while the sum is 46.

The square root of 827495407 is about 28766.2198941745. The cubic root of 827495407 is about 938.8333977207.

The spelling of 827495407 in words is "eight hundred twenty-seven million, four hundred ninety-five thousand, four hundred seven".