87168682 has 4 divisors (see below), whose sum is σ = 130753026. Its totient is φ = 43584340.

The previous prime is 87168677. The next prime is 87168701. The reversal of 87168682 is 28686178.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 28686178 = 2 ⋅14343089.

It can be written as a sum of positive squares in only one way, i.e., 57017601 + 30151081 = 7551^2 + 5491^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21792169 + ... + 21792172.

Almost surely, 2^87168682 is an apocalyptic number.

87168682 is a deficient number, since it is larger than the sum of its proper divisors (43584344).

87168682 is a wasteful number, since it uses less digits than its factorization.

87168682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43584343.

The product of its digits is 258048, while the sum is 46.

The square root of 87168682 is about 9336.4169786916. The cubic root of 87168682 is about 443.3909519901.

The spelling of 87168682 in words is "eighty-seven million, one hundred sixty-eight thousand, six hundred eighty-two".