87516237 has 8 divisors (see below), whose sum is σ = 116746720. Its totient is φ = 58314960.

The previous prime is 87516227. The next prime is 87516239. The reversal of 87516237 is 73261578.

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

It is not a de Polignac number, because 87516237 - 2¹⁸ = 87254093 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 87516195 and 87516204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87516239) 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, 1062 + ... + 13272.

It is an arithmetic number, because the mean of its divisors is an integer number (14593340).

Almost surely, 2^87516237 is an apocalyptic number.

It is an amenable number.

87516237 is a deficient number, since it is larger than the sum of its proper divisors (29230483).

87516237 is a wasteful number, since it uses less digits than its factorization.

87516237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14603.

The product of its digits is 70560, while the sum is 39.

The square root of 87516237 is about 9355.0113308323. The cubic root of 87516237 is about 443.9794599296.

The spelling of 87516237 in words is "eighty-seven million, five hundred sixteen thousand, two hundred thirty-seven".