475147479 has 4 divisors (see below), whose sum is σ = 633529976. Its totient is φ = 316764984.

The previous prime is 475147471. The next prime is 475147489. The reversal of 475147479 is 974741574.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 475147479 - 2³ = 475147471 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (475147471) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79191244 + ... + 79191249.

It is an arithmetic number, because the mean of its divisors is an integer number (158382494).

Almost surely, 2^475147479 is an apocalyptic number.

475147479 is a deficient number, since it is larger than the sum of its proper divisors (158382497).

475147479 is a wasteful number, since it uses less digits than its factorization.

475147479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158382496.

The product of its digits is 987840, while the sum is 48.

The square root of 475147479 is about 21797.8778554244. The cubic root of 475147479 is about 780.3261177404.

The spelling of 475147479 in words is "four hundred seventy-five million, one hundred forty-seven thousand, four hundred seventy-nine".