475166477 has 2 divisors, whose sum is σ = 475166478. Its totient is φ = 475166476.

The previous prime is 475166443. The next prime is 475166539. The reversal of 475166477 is 774661574.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 245674276 + 229492201 = 15674^2 + 15149^2 .

It is a cyclic number.

It is not a de Polignac number, because 475166477 - 2⁶ = 475166413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (475166437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 237583238 + 237583239.

It is an arithmetic number, because the mean of its divisors is an integer number (237583239).

Almost surely, 2^475166477 is an apocalyptic number.

It is an amenable number.

475166477 is a deficient number, since it is larger than the sum of its proper divisors (1).

475166477 is an equidigital number, since it uses as much as digits as its factorization.

475166477 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 987840, while the sum is 47.

The square root of 475166477 is about 21798.3136274346. The cubic root of 475166477 is about 780.3365176258.

The spelling of 475166477 in words is "four hundred seventy-five million, one hundred sixty-six thousand, four hundred seventy-seven".