87481610444 has 12 divisors (see below), whose sum is σ = 153271462344. Its totient is φ = 43689764064.

The previous prime is 87481610441. The next prime is 87481610471. The reversal of 87481610444 is 44401618478.

It is not an unprimeable number, because it can be changed into a prime (87481610441) 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 3 ways as a sum of consecutive naturals, for example, 12756434 + ... + 12763289.

It is an arithmetic number, because the mean of its divisors is an integer number (12772621862).

Almost surely, 2^87481610444 is an apocalyptic number.

It is an amenable number.

87481610444 is a deficient number, since it is larger than the sum of its proper divisors (65789851900).

87481610444 is a wasteful number, since it uses less digits than its factorization.

87481610444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25520584 (or 25520582 counting only the distinct ones).

The product of its (nonzero) digits is 688128, while the sum is 47.

The spelling of 87481610444 in words is "eighty-seven billion, four hundred eighty-one million, six hundred ten thousand, four hundred forty-four".