87538013501 has 8 divisors (see below), whose sum is σ = 91632173184. Its totient is φ = 83467867120.

The previous prime is 87538013471. The next prime is 87538013527. The reversal of 87538013501 is 10531083578.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-87538013501 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 (87538013531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5995865 + ... + 6010446.

It is an arithmetic number, because the mean of its divisors is an integer number (11454021648).

Almost surely, 2^87538013501 is an apocalyptic number.

It is an amenable number.

87538013501 is a deficient number, since it is larger than the sum of its proper divisors (4094159683).

87538013501 is a wasteful number, since it uses less digits than its factorization.

87538013501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12006651.

The product of its (nonzero) digits is 100800, while the sum is 41.

The spelling of 87538013501 in words is "eighty-seven billion, five hundred thirty-eight million, thirteen thousand, five hundred one".