475955899 has 2 divisors, whose sum is σ = 475955900. Its totient is φ = 475955898.

The previous prime is 475955897. The next prime is 475955911. The reversal of 475955899 is 998559574.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 475955899 - 2¹ = 475955897 is a prime.

Together with 475955897, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (475955897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 237977949 + 237977950.

It is an arithmetic number, because the mean of its divisors is an integer number (237977950).

Almost surely, 2^475955899 is an apocalyptic number.

475955899 is a deficient number, since it is larger than the sum of its proper divisors (1).

475955899 is an equidigital number, since it uses as much as digits as its factorization.

475955899 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20412000, while the sum is 61.

The square root of 475955899 is about 21816.4135228502. The cubic root of 475955899 is about 780.7684181759.

The spelling of 475955899 in words is "four hundred seventy-five million, nine hundred fifty-five thousand, eight hundred ninety-nine".