581104887 has 16 divisors (see below), whose sum is σ = 849543552. Its totient is φ = 350393120.

The previous prime is 581104877. The next prime is 581104891. The reversal of 581104887 is 788401185.

It is not a de Polignac number, because 581104887 - 2⁸ = 581104631 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (581104877) 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 15 ways as a sum of consecutive naturals, for example, 38193 + ... + 51194.

It is an arithmetic number, because the mean of its divisors is an integer number (53096472).

Almost surely, 2^581104887 is an apocalyptic number.

581104887 is a deficient number, since it is larger than the sum of its proper divisors (268438665).

581104887 is a wasteful number, since it uses less digits than its factorization.

581104887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89598.

The product of its (nonzero) digits is 71680, while the sum is 42.

The square root of 581104887 is about 24106.1172111977. The cubic root of 581104887 is about 834.4843108845.

The spelling of 581104887 in words is "five hundred eighty-one million, one hundred four thousand, eight hundred eighty-seven".