482187791 has 4 divisors (see below), whose sum is σ = 482237232. Its totient is φ = 482138352.

The previous prime is 482187751. The next prime is 482187793. The reversal of 482187791 is 197781284.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 482187791 - 2¹⁰ = 482186767 is a prime.

It is a super-3 number, since 3×482187791³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (482187793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4670 + ... + 31403.

It is an arithmetic number, because the mean of its divisors is an integer number (120559308).

Almost surely, 2^482187791 is an apocalyptic number.

482187791 is a deficient number, since it is larger than the sum of its proper divisors (49441).

482187791 is a wasteful number, since it uses less digits than its factorization.

482187791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49440.

The product of its digits is 225792, while the sum is 47.

The square root of 482187791 is about 21958.7748064413. The cubic root of 482187791 is about 784.1612966194.

The spelling of 482187791 in words is "four hundred eighty-two million, one hundred eighty-seven thousand, seven hundred ninety-one".