87063398844 has 12 divisors (see below), whose sum is σ = 203147930664. Its totient is φ = 29021132944.

The previous prime is 87063398833. The next prime is 87063398897. The reversal of 87063398844 is 44889336078.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3627641607 + ... + 3627641630.

It is an arithmetic number, because the mean of its divisors is an integer number (16928994222).

Almost surely, 2^87063398844 is an apocalyptic number.

It is an amenable number.

87063398844 is an abundant number, since it is smaller than the sum of its proper divisors (116084531820).

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

87063398844 is a wasteful number, since it uses less digits than its factorization.

87063398844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7255283244 (or 7255283242 counting only the distinct ones).

The product of its (nonzero) digits is 27869184, while the sum is 60.

The spelling of 87063398844 in words is "eighty-seven billion, sixty-three million, three hundred ninety-eight thousand, eight hundred forty-four".