87503636 has 48 divisors (see below), whose sum is σ = 172005120. Its totient is φ = 38613120.

The previous prime is 87503629. The next prime is 87503651. The reversal of 87503636 is 63630578.

It is a self number, because there is not a number n which added to its sum of digits gives 87503636.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 366005 + ... + 366243.

It is an arithmetic number, because the mean of its divisors is an integer number (3583440).

Almost surely, 2^87503636 is an apocalyptic number.

It is an amenable number.

87503636 is a deficient number, since it is larger than the sum of its proper divisors (84501484).

87503636 is a wasteful number, since it uses less digits than its factorization.

87503636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464 (or 462 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 38.

The square root of 87503636 is about 9354.3378172910. The cubic root of 87503636 is about 443.9581501556.

The spelling of 87503636 in words is "eighty-seven million, five hundred three thousand, six hundred thirty-six".