87516206 has 4 divisors (see below), whose sum is σ = 131274312. Its totient is φ = 43758102.

The previous prime is 87516203. The next prime is 87516227. The reversal of 87516206 is 60261578.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87516203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21879050 + ... + 21879053.

It is an arithmetic number, because the mean of its divisors is an integer number (32818578).

Almost surely, 2^87516206 is an apocalyptic number.

87516206 is a deficient number, since it is larger than the sum of its proper divisors (43758106).

87516206 is a wasteful number, since it uses less digits than its factorization.

87516206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43758105.

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 87516206 is about 9355.0096739661. The cubic root of 87516206 is about 443.9794075075.

The spelling of 87516206 in words is "eighty-seven million, five hundred sixteen thousand, two hundred six".