475819879 has 2 divisors, whose sum is σ = 475819880. Its totient is φ = 475819878.

The previous prime is 475819867. The next prime is 475819909. The reversal of 475819879 is 978918574.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 475819879 - 2⁵ = 475819847 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (475819819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 237909939 + 237909940.

It is an arithmetic number, because the mean of its divisors is an integer number (237909940).

Almost surely, 2^475819879 is an apocalyptic number.

475819879 is a deficient number, since it is larger than the sum of its proper divisors (1).

475819879 is an equidigital number, since it uses as much as digits as its factorization.

475819879 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5080320, while the sum is 58.

The square root of 475819879 is about 21813.2959224414. The cubic root of 475819879 is about 780.6940343666.

The spelling of 475819879 in words is "four hundred seventy-five million, eight hundred nineteen thousand, eight hundred seventy-nine".