481915687 has 8 divisors (see below), whose sum is σ = 531634320. Its totient is φ = 433181760.

The previous prime is 481915669. The next prime is 481915703. The reversal of 481915687 is 786519184.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 481915687 - 2¹¹ = 481913639 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 481915687.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (481915607) 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 7 ways as a sum of consecutive naturals, for example, 245148 + ... + 247105.

It is an arithmetic number, because the mean of its divisors is an integer number (66454290).

Almost surely, 2^481915687 is an apocalyptic number.

481915687 is a deficient number, since it is larger than the sum of its proper divisors (49718633).

481915687 is a wasteful number, since it uses less digits than its factorization.

481915687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 492353.

The product of its digits is 483840, while the sum is 49.

The square root of 481915687 is about 21952.5781401639. The cubic root of 481915687 is about 784.0137651816.

The spelling of 481915687 in words is "four hundred eighty-one million, nine hundred fifteen thousand, six hundred eighty-seven".