827414389 has 2 divisors, whose sum is σ = 827414390. Its totient is φ = 827414388.

The previous prime is 827414297. The next prime is 827414437. The reversal of 827414389 is 983414728.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 482680900 + 344733489 = 21970^2 + 18567^2 .

It is a cyclic number.

It is not a de Polignac number, because 827414389 - 2¹³ = 827406197 is a prime.

It is a super-2 number, since 2×827414389² = 1369229142248486642, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (827414989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 413707194 + 413707195.

It is an arithmetic number, because the mean of its divisors is an integer number (413707195).

Almost surely, 2^827414389 is an apocalyptic number.

It is an amenable number.

827414389 is a deficient number, since it is larger than the sum of its proper divisors (1).

827414389 is an equidigital number, since it uses as much as digits as its factorization.

827414389 is an evil number, because the sum of its binary digits is even.

The product of its digits is 387072, while the sum is 46.

The square root of 827414389 is about 28764.8116454810. The cubic root of 827414389 is about 938.8027571129.

The spelling of 827414389 in words is "eight hundred twenty-seven million, four hundred fourteen thousand, three hundred eighty-nine".