481705487 has 4 divisors (see below), whose sum is σ = 482107776. Its totient is φ = 481303200.

The previous prime is 481705463. The next prime is 481705501. The reversal of 481705487 is 784507184.

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 481705487 - 2¹⁸ = 481443343 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 (481705447) 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, 199343 + ... + 201744.

It is an arithmetic number, because the mean of its divisors is an integer number (120526944).

Almost surely, 2^481705487 is an apocalyptic number.

481705487 is a deficient number, since it is larger than the sum of its proper divisors (402289).

481705487 is a wasteful number, since it uses less digits than its factorization.

481705487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402288.

The product of its (nonzero) digits is 250880, while the sum is 44.

The square root of 481705487 is about 21947.7900254217. The cubic root of 481705487 is about 783.8997593058.

The spelling of 481705487 in words is "four hundred eighty-one million, seven hundred five thousand, four hundred eighty-seven".