87516501 has 8 divisors (see below), whose sum is σ = 117341280. Its totient is φ = 58018032.

The previous prime is 87516497. The next prime is 87516521. The reversal of 87516501 is 10561578.

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

It is not a de Polignac number, because 87516501 - 2² = 87516497 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87516521) 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, 80950 + ... + 82023.

It is an arithmetic number, because the mean of its divisors is an integer number (14667660).

Almost surely, 2^87516501 is an apocalyptic number.

It is an amenable number.

87516501 is a deficient number, since it is larger than the sum of its proper divisors (29824779).

87516501 is a wasteful number, since it uses less digits than its factorization.

87516501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163155.

The product of its (nonzero) digits is 8400, while the sum is 33.

The square root of 87516501 is about 9355.0254409061. The cubic root of 87516501 is about 443.9799063628.

The spelling of 87516501 in words is "eighty-seven million, five hundred sixteen thousand, five hundred one".