473417987 has 4 divisors (see below), whose sum is σ = 541049136. Its totient is φ = 405786840.

The previous prime is 473417977. The next prime is 473418017. The reversal of 473417987 is 789714374.

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

It is a cyclic number.

It is not a de Polignac number, because 473417987 - 2⁸ = 473417731 is a prime.

It is a Duffinian number.

It is a plaindrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (473417977) 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, 33815564 + ... + 33815577.

It is an arithmetic number, because the mean of its divisors is an integer number (135262284).

Almost surely, 2^473417987 is an apocalyptic number.

473417987 is a deficient number, since it is larger than the sum of its proper divisors (67631149).

473417987 is an equidigital number, since it uses as much as digits as its factorization.

473417987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67631148.

The product of its digits is 1185408, while the sum is 50.

The square root of 473417987 is about 21758.1705802671. The cubic root of 473417987 is about 779.3781955407.

The spelling of 473417987 in words is "four hundred seventy-three million, four hundred seventeen thousand, nine hundred eighty-seven".