87087120 has 40 divisors (see below), whose sum is σ = 269970816. Its totient is φ = 23223168.

The previous prime is 87087113. The next prime is 87087137. The reversal of 87087120 is 2178078.

It is a tau number, because it is divible by the number of its divisors (40).

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, 181192 + ... + 181671.

Almost surely, 2^87087120 is an apocalyptic number.

87087120 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

87087120 is an abundant number, since it is smaller than the sum of its proper divisors (182883696).

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

87087120 is a wasteful number, since it uses less digits than its factorization.

87087120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362879 (or 362873 counting only the distinct ones).

The product of its (nonzero) digits is 6272, while the sum is 33.

The square root of 87087120 is about 9332.0480067346. The cubic root of 87087120 is about 443.2526181408.

It can be divided in two parts, 870 and 87120, that added together give a triangular number (87990 = T₄₁₉).

The spelling of 87087120 in words is "eighty-seven million, eighty-seven thousand, one hundred twenty".