87528603 has 8 divisors (see below), whose sum is σ = 118182400. Its totient is φ = 57613608.

The previous prime is 87528577. The next prime is 87528613. The reversal of 87528603 is 30682578.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 87528603 - 2¹⁴ = 87512219 is a prime.

It is a super-2 number, since 2×87528603² = 15322512686263218, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87528613) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 184423 + ... + 184896.

It is an arithmetic number, because the mean of its divisors is an integer number (14772800).

Almost surely, 2^87528603 is an apocalyptic number.

87528603 is a deficient number, since it is larger than the sum of its proper divisors (30653797).

87528603 is a wasteful number, since it uses less digits than its factorization.

87528603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 369401.

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 87528603 is about 9355.6722366701. The cubic root of 87528603 is about 444.0003703024. Note that the first 3 decimals are identical.

The spelling of 87528603 in words is "eighty-seven million, five hundred twenty-eight thousand, six hundred three".