87188060 has 12 divisors (see below), whose sum is σ = 183094968. Its totient is φ = 34875216.

The previous prime is 87188051. The next prime is 87188077. The reversal of 87188060 is 6088178.

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, 2179682 + ... + 2179721.

It is an arithmetic number, because the mean of its divisors is an integer number (15257914).

Almost surely, 2^87188060 is an apocalyptic number.

It is an amenable number.

87188060 is an abundant number, since it is smaller than the sum of its proper divisors (95906908).

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

87188060 is a wasteful number, since it uses less digits than its factorization.

87188060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4359412 (or 4359410 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 38.

The square root of 87188060 is about 9337.4546852983. The cubic root of 87188060 is about 443.4238055068.

The spelling of 87188060 in words is "eighty-seven million, one hundred eighty-eight thousand, sixty".