475838477 has 2 divisors, whose sum is σ = 475838478. Its totient is φ = 475838476.

The previous prime is 475838471. The next prime is 475838507. The reversal of 475838477 is 774838574.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 366301321 + 109537156 = 19139^2 + 10466^2 .

It is a cyclic number.

It is not a de Polignac number, because 475838477 - 2¹⁸ = 475576333 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 (475838471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 237919238 + 237919239.

It is an arithmetic number, because the mean of its divisors is an integer number (237919239).

Almost surely, 2^475838477 is an apocalyptic number.

It is an amenable number.

475838477 is a deficient number, since it is larger than the sum of its proper divisors (1).

475838477 is an equidigital number, since it uses as much as digits as its factorization.

475838477 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5268480, while the sum is 53.

The square root of 475838477 is about 21813.7222179068. The cubic root of 475838477 is about 780.7042056934.

The spelling of 475838477 in words is "four hundred seventy-five million, eight hundred thirty-eight thousand, four hundred seventy-seven".