866473337 has 2 divisors, whose sum is σ = 866473338. Its totient is φ = 866473336.

The previous prime is 866473303. The next prime is 866473393. The reversal of 866473337 is 733374668.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 758396521 + 108076816 = 27539^2 + 10396^2 .

It is a cyclic number.

It is not a de Polignac number, because 866473337 - 2¹⁴ = 866456953 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 866473291 and 866473300.

It is not a weakly prime, because it can be changed into another prime (866473037) 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, 433236668 + 433236669.

It is an arithmetic number, because the mean of its divisors is an integer number (433236669).

Almost surely, 2^866473337 is an apocalyptic number.

It is an amenable number.

866473337 is a deficient number, since it is larger than the sum of its proper divisors (1).

866473337 is an equidigital number, since it uses as much as digits as its factorization.

866473337 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1524096, while the sum is 47.

The square root of 866473337 is about 29435.9191634982. The cubic root of 866473337 is about 953.3486027705.

The spelling of 866473337 in words is "eight hundred sixty-six million, four hundred seventy-three thousand, three hundred thirty-seven".