87287000 has 64 divisors (see below), whose sum is σ = 205770240. Its totient is φ = 34656000.

The previous prime is 87286999. The next prime is 87287077. The reversal of 87287000 is 78278.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 190772 + ... + 191228.

It is an arithmetic number, because the mean of its divisors is an integer number (3215160).

Almost surely, 2^87287000 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 87287000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102885120).

87287000 is an abundant number, since it is smaller than the sum of its proper divisors (118483240).

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

87287000 is a wasteful number, since it uses less digits than its factorization.

87287000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 669 (or 655 counting only the distinct ones).

The product of its (nonzero) digits is 6272, while the sum is 32.

The square root of 87287000 is about 9342.7512007973. The cubic root of 87287000 is about 443.5914728323.

The spelling of 87287000 in words is "eighty-seven million, two hundred eighty-seven thousand".