87016320 has 96 divisors (see below), whose sum is σ = 300498120. Its totient is φ = 23202816.

The previous prime is 87016313. The next prime is 87016331. The reversal of 87016320 is 2361078.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1794 + ... + 13313.

Almost surely, 2^87016320 is an apocalyptic number.

87016320 is a gapful number since it is divisible by the number (80) 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 87016320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (150249060).

87016320 is an abundant number, since it is smaller than the sum of its proper divisors (213481800).

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

87016320 is a wasteful number, since it uses less digits than its factorization.

87016320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15132 (or 15117 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 87016320 is about 9328.2538558939. The cubic root of 87016320 is about 443.1324672176.

Adding to 87016320 its reverse (2361078), we get a palindrome (89377398).

The spelling of 87016320 in words is "eighty-seven million, sixteen thousand, three hundred twenty".