481405887 has 24 divisors (see below), whose sum is σ = 736903440. Its totient is φ = 302305920.

The previous prime is 481405879. The next prime is 481405901. The reversal of 481405887 is 788504184.

481405887 is a `hidden beast` number, since 481 + 40 + 58 + 87 = 666.

It is not a de Polignac number, because 481405887 - 2³ = 481405879 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (481405867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11793 + ... + 33194.

It is an arithmetic number, because the mean of its divisors is an integer number (30704310).

Almost surely, 2^481405887 is an apocalyptic number.

481405887 is a deficient number, since it is larger than the sum of its proper divisors (255497553).

481405887 is a wasteful number, since it uses less digits than its factorization.

481405887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45063 (or 45060 counting only the distinct ones).

The product of its (nonzero) digits is 286720, while the sum is 45.

The square root of 481405887 is about 21940.9636752810. The cubic root of 481405887 is about 783.7372083411.

The spelling of 481405887 in words is "four hundred eighty-one million, four hundred five thousand, eight hundred eighty-seven".