87660500 has 48 divisors (see below), whose sum is σ = 202731984. Its totient is φ = 32998400.

The previous prime is 87660497. The next prime is 87660527. The reversal of 87660500 is 506678.

It can be written as a sum of positive squares in 8 ways, for example, as 20322064 + 67338436 = 4508^2 + 8206^2 .

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, 3344 + ... + 13656.

It is an arithmetic number, because the mean of its divisors is an integer number (4223583).

Almost surely, 2^87660500 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 87660500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101365992).

87660500 is an abundant number, since it is smaller than the sum of its proper divisors (115071484).

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

87660500 is a wasteful number, since it uses less digits than its factorization.

87660500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10349 (or 10337 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 87660500 is about 9362.7186222806. The cubic root of 87660500 is about 444.2232800087.

The spelling of 87660500 in words is "eighty-seven million, six hundred sixty thousand, five hundred".