87160884 has 12 divisors (see below), whose sum is σ = 203375424. Its totient is φ = 29053624.

The previous prime is 87160883. The next prime is 87160897. The reversal of 87160884 is 48806178.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×87160884² = 15194039399322912, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87160883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3631692 + ... + 3631715.

It is an arithmetic number, because the mean of its divisors is an integer number (16947952).

Almost surely, 2^87160884 is an apocalyptic number.

It is an amenable number.

87160884 is an abundant number, since it is smaller than the sum of its proper divisors (116214540).

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

87160884 is a wasteful number, since it uses less digits than its factorization.

87160884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7263414 (or 7263412 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 42.

The square root of 87160884 is about 9335.9993573265. Note that the first 3 decimals coincide. The cubic root of 87160884 is about 443.3777298646.

The spelling of 87160884 in words is "eighty-seven million, one hundred sixty thousand, eight hundred eighty-four".