475399657 has 8 divisors (see below), whose sum is σ = 485633600. Its totient is φ = 465244560.

The previous prime is 475399621. The next prime is 475399667. The reversal of 475399657 is 756993574.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 475399657 - 2²³ = 467011049 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 475399598 and 475399607.

It is not an unprimeable number, because it can be changed into a prime (475399607) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7443 + ... + 31720.

It is an arithmetic number, because the mean of its divisors is an integer number (60704200).

Almost surely, 2^475399657 is an apocalyptic number.

It is an amenable number.

475399657 is a deficient number, since it is larger than the sum of its proper divisors (10233943).

475399657 is a wasteful number, since it uses less digits than its factorization.

475399657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39423.

The product of its digits is 7144200, while the sum is 55.

The square root of 475399657 is about 21803.6615502993. The cubic root of 475399657 is about 780.4641424490.

The spelling of 475399657 in words is "four hundred seventy-five million, three hundred ninety-nine thousand, six hundred fifty-seven".