87551360880 has 80 divisors (see below), whose sum is σ = 277721093760. Its totient is φ = 22804072704.

The previous prime is 87551360879. The next prime is 87551360891. The reversal of 87551360880 is 8806315578.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4231510 + ... + 4252149.

It is an arithmetic number, because the mean of its divisors is an integer number (3471513672).

Almost surely, 2^87551360880 is an apocalyptic number.

87551360880 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

87551360880 is an abundant number, since it is smaller than the sum of its proper divisors (190169732880).

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

87551360880 is a wasteful number, since it uses less digits than its factorization.

87551360880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8483718 (or 8483712 counting only the distinct ones).

The product of its (nonzero) digits is 1612800, while the sum is 51.

The spelling of 87551360880 in words is "eighty-seven billion, five hundred fifty-one million, three hundred sixty thousand, eight hundred eighty".