481273887 has 4 divisors (see below), whose sum is σ = 641698520. Its totient is φ = 320849256.

The previous prime is 481273883. The next prime is 481273943. The reversal of 481273887 is 788372184.

It is a happy number.

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

It is not a de Polignac number, because 481273887 - 2² = 481273883 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (481273883) 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, 80212312 + ... + 80212317.

It is an arithmetic number, because the mean of its divisors is an integer number (160424630).

Almost surely, 2^481273887 is an apocalyptic number.

481273887 is a deficient number, since it is larger than the sum of its proper divisors (160424633).

481273887 is a wasteful number, since it uses less digits than its factorization.

481273887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160424632.

The product of its digits is 602112, while the sum is 48.

The square root of 481273887 is about 21937.9553969826. The cubic root of 481273887 is about 783.6655690230.

The spelling of 481273887 in words is "four hundred eighty-one million, two hundred seventy-three thousand, eight hundred eighty-seven".