87516650 has 36 divisors (see below), whose sum is σ = 176282802. Its totient is φ = 32310720.

The previous prime is 87516623. The next prime is 87516677. The reversal of 87516650 is 5661578.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (87516623) and next prime (87516677).

It can be written as a sum of positive squares in 9 ways, for example, as 1713481 + 85803169 = 1309^2 + 9263^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 3272 + ... + 13628.

Almost surely, 2^87516650 is an apocalyptic number.

87516650 is an abundant number, since it is smaller than the sum of its proper divisors (88766152).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

87516650 is a wasteful number, since it uses less digits than its factorization.

87516650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10395 (or 10377 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 38.

The square root of 87516650 is about 9355.0334045368. The cubic root of 87516650 is about 443.9801583266.

The spelling of 87516650 in words is "eighty-seven million, five hundred sixteen thousand, six hundred fifty".