206763793 has 2 divisors, whose sum is σ = 206763794. Its totient is φ = 206763792.

The previous prime is 206763773. The next prime is 206763797. The reversal of 206763793 is 397367602.

206763793 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 183115024 + 23648769 = 13532^2 + 4863^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-206763793 is a prime.

It is not a weakly prime, because it can be changed into another prime (206763797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103381896 + 103381897.

It is an arithmetic number, because the mean of its divisors is an integer number (103381897).

Almost surely, 2^206763793 is an apocalyptic number.

It is an amenable number.

206763793 is a deficient number, since it is larger than the sum of its proper divisors (1).

206763793 is an equidigital number, since it uses as much as digits as its factorization.

206763793 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 285768, while the sum is 43.

The square root of 206763793 is about 14379.2834661537. The cubic root of 206763793 is about 591.3230797930.

The spelling of 206763793 in words is "two hundred six million, seven hundred sixty-three thousand, seven hundred ninety-three".