475023999 has 4 divisors (see below), whose sum is σ = 633365336. Its totient is φ = 316682664.

The previous prime is 475023953. The next prime is 475024003. The reversal of 475023999 is 999320574.

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

It is not a de Polignac number, because 475023999 - 2⁹ = 475023487 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 (475023599) 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, 79170664 + ... + 79170669.

It is an arithmetic number, because the mean of its divisors is an integer number (158341334).

Almost surely, 2^475023999 is an apocalyptic number.

475023999 is a deficient number, since it is larger than the sum of its proper divisors (158341337).

475023999 is a wasteful number, since it uses less digits than its factorization.

475023999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158341336.

The product of its (nonzero) digits is 612360, while the sum is 48.

The square root of 475023999 is about 21795.0452855689. The cubic root of 475023999 is about 780.2585155598.

The spelling of 475023999 in words is "four hundred seventy-five million, twenty-three thousand, nine hundred ninety-nine".