87888216 has 64 divisors (see below), whose sum is σ = 242161920. Its totient is φ = 26409600.

The previous prime is 87888179. The next prime is 87888217. The reversal of 87888216 is 61288878.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87888217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10141 + ... + 16691.

It is an arithmetic number, because the mean of its divisors is an integer number (3783780).

Almost surely, 2^87888216 is an apocalyptic number.

87888216 is a gapful number since it is divisible by the number (86) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 87888216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (121080960).

87888216 is an abundant number, since it is smaller than the sum of its proper divisors (154273704).

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

87888216 is a wasteful number, since it uses less digits than its factorization.

87888216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6616 (or 6612 counting only the distinct ones).

The product of its digits is 344064, while the sum is 48.

The square root of 87888216 is about 9374.8715191196. The cubic root of 87888216 is about 444.6076008939.

The spelling of 87888216 in words is "eighty-seven million, eight hundred eighty-eight thousand, two hundred sixteen".