481971771 has 12 divisors (see below), whose sum is σ = 709317648. Its totient is φ = 315251664.

The previous prime is 481971751. The next prime is 481971773. The reversal of 481971771 is 177179184.

481971771 is a `hidden beast` number, since 481 + 97 + 17 + 71 = 666.

It is not a de Polignac number, because 481971771 - 2²⁵ = 448417339 is a prime.

It is not an unprimeable number, because it can be changed into a prime (481971773) 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 11 ways as a sum of consecutive naturals, for example, 504735 + ... + 505688.

It is an arithmetic number, because the mean of its divisors is an integer number (59109804).

Almost surely, 2^481971771 is an apocalyptic number.

481971771 is a deficient number, since it is larger than the sum of its proper divisors (227345877).

481971771 is a wasteful number, since it uses less digits than its factorization.

481971771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1010482 (or 1010479 counting only the distinct ones).

The product of its digits is 98784, while the sum is 45.

The square root of 481971771 is about 21953.8554928286. The cubic root of 481971771 is about 784.0441777783.

The spelling of 481971771 in words is "four hundred eighty-one million, nine hundred seventy-one thousand, seven hundred seventy-one".