87014520 has 256 divisors, whose sum is σ = 315187200. Its totient is φ = 21288960.

The previous prime is 87014513. The next prime is 87014527. The reversal of 87014520 is 2541078.

It is an interprime number because it is at equal distance from previous prime (87014513) and next prime (87014527).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87014527) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 769984 + ... + 770096.

It is an arithmetic number, because the mean of its divisors is an integer number (1231200).

Almost surely, 2^87014520 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 87014520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (157593600).

87014520 is an abundant number, since it is smaller than the sum of its proper divisors (228172680).

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

87014520 is a wasteful number, since it uses less digits than its factorization.

87014520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187 (or 177 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 87014520 is about 9328.1573743157. The cubic root of 87014520 is about 443.1294116837.

Adding to 87014520 its reverse (2541078), we get a palindrome (89555598).

The spelling of 87014520 in words is "eighty-seven million, fourteen thousand, five hundred twenty".