87030289644 has 48 divisors (see below), whose sum is σ = 206086379520. Its totient is φ = 28580872320.

The previous prime is 87030289603. The next prime is 87030289679. The reversal of 87030289644 is 44698203078.

It is an unprimeable number.

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, 339784 + ... + 538064.

It is an arithmetic number, because the mean of its divisors is an integer number (4293466240).

Almost surely, 2^87030289644 is an apocalyptic number.

It is an amenable number.

87030289644 is an abundant number, since it is smaller than the sum of its proper divisors (119056089876).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

87030289644 is a wasteful number, since it uses less digits than its factorization.

87030289644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198830 (or 198828 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 51.

The spelling of 87030289644 in words is "eighty-seven billion, thirty million, two hundred eighty-nine thousand, six hundred forty-four".