481277791 has 4 divisors (see below), whose sum is σ = 491517792. Its totient is φ = 471037792.

The previous prime is 481277773. The next prime is 481277807. The reversal of 481277791 is 197772184.

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 481277791 - 2⁷ = 481277663 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 (481277891) 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, 5119930 + ... + 5120023.

It is an arithmetic number, because the mean of its divisors is an integer number (122879448).

Almost surely, 2^481277791 is an apocalyptic number.

481277791 is a deficient number, since it is larger than the sum of its proper divisors (10240001).

481277791 is a wasteful number, since it uses less digits than its factorization.

481277791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10240000.

The product of its digits is 197568, while the sum is 46.

The square root of 481277791 is about 21938.0443750121. The cubic root of 481277791 is about 783.6676879980.

The spelling of 481277791 in words is "four hundred eighty-one million, two hundred seventy-seven thousand, seven hundred ninety-one".