194795477 has 2 divisors, whose sum is σ = 194795478. Its totient is φ = 194795476.

The previous prime is 194795473. The next prime is 194795501. The reversal of 194795477 is 774597491.

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., 145781476 + 49014001 = 12074^2 + 7001^2 .

It is a cyclic number.

It is not a de Polignac number, because 194795477 - 2² = 194795473 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (194795473) 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, 97397738 + 97397739.

It is an arithmetic number, because the mean of its divisors is an integer number (97397739).

Almost surely, 2^194795477 is an apocalyptic number.

It is an amenable number.

194795477 is a deficient number, since it is larger than the sum of its proper divisors (1).

194795477 is an equidigital number, since it uses as much as digits as its factorization.

194795477 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2222640, while the sum is 53.

The square root of 194795477 is about 13956.9150244601. The cubic root of 194795477 is about 579.6861927114.

The spelling of 194795477 in words is "one hundred ninety-four million, seven hundred ninety-five thousand, four hundred seventy-seven".