87436503 has 48 divisors (see below), whose sum is σ = 163328256. Its totient is φ = 45411840.

The previous prime is 87436493. The next prime is 87436507. The reversal of 87436503 is 30563478.

It is a happy number.

It is not a de Polignac number, because 87436503 - 2⁹ = 87435991 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87436507) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 16375 + ... + 21047.

It is an arithmetic number, because the mean of its divisors is an integer number (3402672).

Almost surely, 2^87436503 is an apocalyptic number.

87436503 is a deficient number, since it is larger than the sum of its proper divisors (75891753).

87436503 is a wasteful number, since it uses less digits than its factorization.

87436503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4706 (or 4694 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 87436503 is about 9350.7487935459. The cubic root of 87436503 is about 443.8445858548.

The spelling of 87436503 in words is "eighty-seven million, four hundred thirty-six thousand, five hundred three".