477950197 has 2 divisors, whose sum is σ = 477950198. Its totient is φ = 477950196.

The previous prime is 477950167. The next prime is 477950273. The reversal of 477950197 is 791059774.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 475850596 + 2099601 = 21814^2 + 1449^2 .

It is a cyclic number.

It is not a de Polignac number, because 477950197 - 2⁷ = 477950069 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 477950197.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (477950107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 238975098 + 238975099.

It is an arithmetic number, because the mean of its divisors is an integer number (238975099).

Almost surely, 2^477950197 is an apocalyptic number.

It is an amenable number.

477950197 is a deficient number, since it is larger than the sum of its proper divisors (1).

477950197 is an equidigital number, since it uses as much as digits as its factorization.

477950197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 555660, while the sum is 49.

The square root of 477950197 is about 21862.0721113073. The cubic root of 477950197 is about 781.8573952368.

The spelling of 477950197 in words is "four hundred seventy-seven million, nine hundred fifty thousand, one hundred ninety-seven".