87563003 has 16 divisors (see below), whose sum is σ = 101025792. Its totient is φ = 75144000.

The previous prime is 87562991. The next prime is 87563027. The reversal of 87563003 is 30036578.

It is a happy number.

It is not a de Polignac number, because 87563003 - 2⁴ = 87562987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87563033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10850 + ... + 17112.

It is an arithmetic number, because the mean of its divisors is an integer number (6314112).

Almost surely, 2^87563003 is an apocalyptic number.

87563003 is a deficient number, since it is larger than the sum of its proper divisors (13462789).

87563003 is a wasteful number, since it uses less digits than its factorization.

87563003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6346.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 87563003 is about 9357.5105129516. The cubic root of 87563003 is about 444.0585288614.

The spelling of 87563003 in words is "eighty-seven million, five hundred sixty-three thousand, three".