87503903 has 8 divisors (see below), whose sum is σ = 89295360. Its totient is φ = 85722840.

The previous prime is 87503887. The next prime is 87503909. The reversal of 87503903 is 30930578.

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

It is a cyclic number.

It is not a de Polignac number, because 87503903 - 2⁴ = 87503887 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87503909) 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, 15698 + ... + 20528.

It is an arithmetic number, because the mean of its divisors is an integer number (11161920).

Almost surely, 2^87503903 is an apocalyptic number.

87503903 is a deficient number, since it is larger than the sum of its proper divisors (1791457).

87503903 is a wasteful number, since it uses less digits than its factorization.

87503903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5197.

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 87503903 is about 9354.3520887339. The cubic root of 87503903 is about 443.9586017052.

The spelling of 87503903 in words is "eighty-seven million, five hundred three thousand, nine hundred three".