475857379 has 2 divisors, whose sum is σ = 475857380. Its totient is φ = 475857378.

The previous prime is 475857377. The next prime is 475857397. The reversal of 475857379 is 973758574.

It is a happy number.

Together with next prime (475857397) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 475857379 - 2¹ = 475857377 is a prime.

Together with 475857377, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (475857377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 237928689 + 237928690.

It is an arithmetic number, because the mean of its divisors is an integer number (237928690).

Almost surely, 2^475857379 is an apocalyptic number.

475857379 is a deficient number, since it is larger than the sum of its proper divisors (1).

475857379 is an equidigital number, since it uses as much as digits as its factorization.

475857379 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7408800, while the sum is 55.

The square root of 475857379 is about 21814.1554729951. The cubic root of 475857379 is about 780.7145430075.

The spelling of 475857379 in words is "four hundred seventy-five million, eight hundred fifty-seven thousand, three hundred seventy-nine".