194088773 has 2 divisors, whose sum is σ = 194088774. Its totient is φ = 194088772.

The previous prime is 194088757. The next prime is 194088787. The reversal of 194088773 is 377880491.

194088773 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., 129800449 + 64288324 = 11393^2 + 8018^2 .

It is a cyclic number.

It is not a de Polignac number, because 194088773 - 2⁴ = 194088757 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (194088373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97044386 + 97044387.

It is an arithmetic number, because the mean of its divisors is an integer number (97044387).

Almost surely, 2^194088773 is an apocalyptic number.

It is an amenable number.

194088773 is a deficient number, since it is larger than the sum of its proper divisors (1).

194088773 is an equidigital number, since it uses as much as digits as its factorization.

194088773 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 338688, while the sum is 47.

The square root of 194088773 is about 13931.5746776881. The cubic root of 194088773 is about 578.9843232909.

The spelling of 194088773 in words is "one hundred ninety-four million, eighty-eight thousand, seven hundred seventy-three".