87504630 has 64 divisors (see below), whose sum is σ = 222732288. Its totient is φ = 21962880.

The previous prime is 87504623. The next prime is 87504679. The reversal of 87504630 is 3640578.

It is a junction number, because it is equal to n+sod(n) for n = 87504591 and 87504600.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33139 + ... + 35681.

It is an arithmetic number, because the mean of its divisors is an integer number (3480192).

Almost surely, 2^87504630 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 87504630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111366144).

87504630 is an abundant number, since it is smaller than the sum of its proper divisors (135227658).

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

87504630 is a wasteful number, since it uses less digits than its factorization.

87504630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2621.

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 87504630 is about 9354.3909475711. The cubic root of 87504630 is about 443.9598312009.

The spelling of 87504630 in words is "eighty-seven million, five hundred four thousand, six hundred thirty".