481807771 has 4 divisors (see below), whose sum is σ = 481891032. Its totient is φ = 481724512.

The previous prime is 481807717. The next prime is 481807793. The reversal of 481807771 is 177708184.

It is a happy number.

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 481807771 - 2¹⁵ = 481775003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (481507771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32245 + ... + 44758.

It is an arithmetic number, because the mean of its divisors is an integer number (120472758).

Almost surely, 2^481807771 is an apocalyptic number.

481807771 is a deficient number, since it is larger than the sum of its proper divisors (83261).

481807771 is an equidigital number, since it uses as much as digits as its factorization.

481807771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83260.

The product of its (nonzero) digits is 87808, while the sum is 43.

The square root of 481807771 is about 21950.1200680087. The cubic root of 481807771 is about 783.9552390756.

The spelling of 481807771 in words is "four hundred eighty-one million, eight hundred seven thousand, seven hundred seventy-one".