87516203 has 2 divisors, whose sum is σ = 87516204. Its totient is φ = 87516202.

The previous prime is 87516199. The next prime is 87516227. The reversal of 87516203 is 30261578.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 87516203 - 2² = 87516199 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 87516203.

It is not a weakly prime, because it can be changed into another prime (87516703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43758101 + 43758102.

It is an arithmetic number, because the mean of its divisors is an integer number (43758102).

Almost surely, 2^87516203 is an apocalyptic number.

87516203 is a deficient number, since it is larger than the sum of its proper divisors (1).

87516203 is an equidigital number, since it uses as much as digits as its factorization.

87516203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 87516203 is about 9355.0095136242. The cubic root of 87516203 is about 443.9794024344.

The spelling of 87516203 in words is "eighty-seven million, five hundred sixteen thousand, two hundred three".