827206769 has 2 divisors, whose sum is σ = 827206770. Its totient is φ = 827206768.

The previous prime is 827206763. The next prime is 827206811. The reversal of 827206769 is 967602728.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 827137600 + 69169 = 28760^2 + 263^2 .

It is a cyclic number.

It is not a de Polignac number, because 827206769 - 2¹⁶ = 827141233 is a prime.

It is a super-2 number, since 2×827206769² = 1368542077358838722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (827206763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 413603384 + 413603385.

It is an arithmetic number, because the mean of its divisors is an integer number (413603385).

Almost surely, 2^827206769 is an apocalyptic number.

It is an amenable number.

827206769 is a deficient number, since it is larger than the sum of its proper divisors (1).

827206769 is an equidigital number, since it uses as much as digits as its factorization.

827206769 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 508032, while the sum is 47.

The square root of 827206769 is about 28761.2024957233. The cubic root of 827206769 is about 938.7242271218.

The spelling of 827206769 in words is "eight hundred twenty-seven million, two hundred six thousand, seven hundred sixty-nine".