867047393 has 2 divisors, whose sum is σ = 867047394. Its totient is φ = 867047392.

The previous prime is 867047383. The next prime is 867047407. The reversal of 867047393 is 393740768.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 863889664 + 3157729 = 29392^2 + 1777^2 .

It is a cyclic number.

It is not a de Polignac number, because 867047393 - 2⁶ = 867047329 is a prime.

It is not a weakly prime, because it can be changed into another prime (867047323) 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, 433523696 + 433523697.

It is an arithmetic number, because the mean of its divisors is an integer number (433523697).

Almost surely, 2^867047393 is an apocalyptic number.

It is an amenable number.

867047393 is a deficient number, since it is larger than the sum of its proper divisors (1).

867047393 is an equidigital number, since it uses as much as digits as its factorization.

867047393 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 762048, while the sum is 47.

The square root of 867047393 is about 29445.6684930059. The cubic root of 867047393 is about 953.5590938290.

The spelling of 867047393 in words is "eight hundred sixty-seven million, forty-seven thousand, three hundred ninety-three".