87100087180 has 24 divisors (see below), whose sum is σ = 193669606368. Its totient is φ = 32790620928.

The previous prime is 87100087127. The next prime is 87100087183. The reversal of 87100087180 is 8178000178.

It is not an unprimeable number, because it can be changed into a prime (87100087183) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128088024 + ... + 128088703.

It is an arithmetic number, because the mean of its divisors is an integer number (8069566932).

Almost surely, 2^87100087180 is an apocalyptic number.

It is an amenable number.

87100087180 is an abundant number, since it is smaller than the sum of its proper divisors (106569519188).

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

87100087180 is a wasteful number, since it uses less digits than its factorization.

87100087180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256176753 (or 256176751 counting only the distinct ones).

The product of its (nonzero) digits is 25088, while the sum is 40.

The spelling of 87100087180 in words is "eighty-seven billion, one hundred million, eighty-seven thousand, one hundred eighty".