87687268 has 6 divisors (see below), whose sum is σ = 153452726. Its totient is φ = 43843632.

The previous prime is 87687239. The next prime is 87687269. The reversal of 87687268 is 86278678.

It can be written as a sum of positive squares in only one way, i.e., 87011584 + 675684 = 9328^2 + 822^2 .

It is not an unprimeable number, because it can be changed into a prime (87687269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10960905 + ... + 10960912.

Almost surely, 2^87687268 is an apocalyptic number.

It is an amenable number.

87687268 is a deficient number, since it is larger than the sum of its proper divisors (65765458).

87687268 is a wasteful number, since it uses less digits than its factorization.

87687268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21921821 (or 21921819 counting only the distinct ones).

The product of its digits is 1806336, while the sum is 52.

The square root of 87687268 is about 9364.1480124996. The cubic root of 87687268 is about 444.2684913967.

The spelling of 87687268 in words is "eighty-seven million, six hundred eighty-seven thousand, two hundred sixty-eight".