87302500 has 60 divisors (see below), whose sum is σ = 195237504. Its totient is φ = 34132000.

The previous prime is 87302483. The next prime is 87302507. The reversal of 87302500 is 520378.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87302507) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 117129 + ... + 117871.

Almost surely, 2^87302500 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 87302500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97618752).

87302500 is an abundant number, since it is smaller than the sum of its proper divisors (107935004).

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

87302500 is a wasteful number, since it uses less digits than its factorization.

87302500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 814 (or 797 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 87302500 is about 9343.5806840847. The cubic root of 87302500 is about 443.6177282154.

Adding to 87302500 its reverse (520378), we get a palindrome (87822878).

The spelling of 87302500 in words is "eighty-seven million, three hundred two thousand, five hundred".