87368618 has 8 divisors (see below), whose sum is σ = 134595012. Its totient is φ = 42503616.

The previous prime is 87368597. The next prime is 87368621. The reversal of 87368618 is 81686378.

It can be written as a sum of positive squares in 2 ways, for example, as 87366409 + 2209 = 9347^2 + 47^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×87368618² = 15266550822459848, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 590255 + ... + 590402.

Almost surely, 2^87368618 is an apocalyptic number.

87368618 is a deficient number, since it is larger than the sum of its proper divisors (47226394).

87368618 is a wasteful number, since it uses less digits than its factorization.

87368618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1180696.

The product of its digits is 387072, while the sum is 47.

The square root of 87368618 is about 9347.1181655096. The cubic root of 87368618 is about 443.7296903222.

The spelling of 87368618 in words is "eighty-seven million, three hundred sixty-eight thousand, six hundred eighteen".