475715657 has 4 divisors (see below), whose sum is σ = 475896960. Its totient is φ = 475534356.

The previous prime is 475715629. The next prime is 475715659. The reversal of 475715657 is 756517574.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 475715657 - 2¹⁶ = 475650121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (475715659) 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, 86657 + ... + 91982.

It is an arithmetic number, because the mean of its divisors is an integer number (118974240).

Almost surely, 2^475715657 is an apocalyptic number.

It is an amenable number.

475715657 is a deficient number, since it is larger than the sum of its proper divisors (181303).

475715657 is a wasteful number, since it uses less digits than its factorization.

475715657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181302.

The product of its digits is 1029000, while the sum is 47.

The square root of 475715657 is about 21810.9068358012. The cubic root of 475715657 is about 780.6370299981.

The spelling of 475715657 in words is "four hundred seventy-five million, seven hundred fifteen thousand, six hundred fifty-seven".