827214851 has 2 divisors, whose sum is σ = 827214852. Its totient is φ = 827214850.

The previous prime is 827214847. The next prime is 827214853. The reversal of 827214851 is 158412728.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 827214851 - 2² = 827214847 is a prime.

It is a Sophie Germain prime.

Together with 827214853, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (827214853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 413607425 + 413607426.

It is an arithmetic number, because the mean of its divisors is an integer number (413607426).

Almost surely, 2^827214851 is an apocalyptic number.

827214851 is a deficient number, since it is larger than the sum of its proper divisors (1).

827214851 is an equidigital number, since it uses as much as digits as its factorization.

827214851 is an evil number, because the sum of its binary digits is even.

The product of its digits is 35840, while the sum is 38.

The square root of 827214851 is about 28761.3429971551. The cubic root of 827214851 is about 938.7272842956.

The spelling of 827214851 in words is "eight hundred twenty-seven million, two hundred fourteen thousand, eight hundred fifty-one".