87895530 has 64 divisors (see below), whose sum is σ = 237340800. Its totient is φ = 23432976.

The previous prime is 87895523. The next prime is 87895531. The reversal of 87895530 is 3559878.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87895531) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19861 + ... + 23879.

It is an arithmetic number, because the mean of its divisors is an integer number (3708450).

Almost surely, 2^87895530 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 87895530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118670400).

87895530 is an abundant number, since it is smaller than the sum of its proper divisors (149445270).

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

87895530 is an equidigital number, since it uses as much as digits as its factorization.

87895530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4047 (or 4029 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 45.

The square root of 87895530 is about 9375.2615963503. The cubic root of 87895530 is about 444.6199338700.

The spelling of 87895530 in words is "eighty-seven million, eight hundred ninety-five thousand, five hundred thirty".