866304793 has 2 divisors, whose sum is σ = 866304794. Its totient is φ = 866304792.

The previous prime is 866304773. The next prime is 866304823. The reversal of 866304793 is 397403668.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 495819289 + 370485504 = 22267^2 + 19248^2 .

It is a cyclic number.

It is not a de Polignac number, because 866304793 - 2²⁵ = 832750361 is a prime.

It is not a weakly prime, because it can be changed into another prime (866304743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 433152396 + 433152397.

It is an arithmetic number, because the mean of its divisors is an integer number (433152397).

Almost surely, 2^866304793 is an apocalyptic number.

It is an amenable number.

866304793 is a deficient number, since it is larger than the sum of its proper divisors (1).

866304793 is an equidigital number, since it uses as much as digits as its factorization.

866304793 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 653184, while the sum is 46.

The square root of 866304793 is about 29433.0561274224. The cubic root of 866304793 is about 953.2867845165.

The spelling of 866304793 in words is "eight hundred sixty-six million, three hundred four thousand, seven hundred ninety-three".