87512630 has 16 divisors (see below), whose sum is σ = 157637664. Its totient is φ = 34979520.

The previous prime is 87512629. The next prime is 87512641. The reversal of 87512630 is 3621578.

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 7 ways as a sum of consecutive naturals, for example, 17735 + ... + 22125.

It is an arithmetic number, because the mean of its divisors is an integer number (9852354).

Almost surely, 2^87512630 is an apocalyptic number.

87512630 is a deficient number, since it is larger than the sum of its proper divisors (70125034).

87512630 is a wasteful number, since it uses less digits than its factorization.

87512630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6391.

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

The square root of 87512630 is about 9354.8185444721. The cubic root of 87512630 is about 443.9733602771.

The spelling of 87512630 in words is "eighty-seven million, five hundred twelve thousand, six hundred thirty".