87044603 has 8 divisors (see below), whose sum is σ = 88961328. Its totient is φ = 85138144.

The previous prime is 87044563. The next prime is 87044663. The reversal of 87044603 is 30644078.

It is a happy number.

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 87044603 - 2¹² = 87040507 is a prime.

It is a super-5 number, since 5×87044603⁵ (a number of 41 digits) contains 55555 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 87044603.

It is not an unprimeable number, because it can be changed into a prime (87044663) 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, 16025 + ... + 20757.

It is an arithmetic number, because the mean of its divisors is an integer number (11120166).

Almost surely, 2^87044603 is an apocalyptic number.

87044603 is a deficient number, since it is larger than the sum of its proper divisors (1916725).

87044603 is a wasteful number, since it uses less digits than its factorization.

87044603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5133.

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 87044603 is about 9329.7697184872. The cubic root of 87044603 is about 443.1804726107.

The spelling of 87044603 in words is "eighty-seven million, forty-four thousand, six hundred three".