87851588180 has 24 divisors (see below), whose sum is σ = 186823633920. Its totient is φ = 34695816480.

The previous prime is 87851588173. The next prime is 87851588221. The reversal of 87851588180 is 8188515878.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27799556 + ... + 27802715.

It is an arithmetic number, because the mean of its divisors is an integer number (7784318080).

Almost surely, 2^87851588180 is an apocalyptic number.

It is an amenable number.

87851588180 is an abundant number, since it is smaller than the sum of its proper divisors (98972045740).

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

87851588180 is a wasteful number, since it uses less digits than its factorization.

87851588180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55602359 (or 55602357 counting only the distinct ones).

The product of its (nonzero) digits is 5734400, while the sum is 59.

The spelling of 87851588180 in words is "eighty-seven billion, eight hundred fifty-one million, five hundred eighty-eight thousand, one hundred eighty".