87938985 has 8 divisors (see below), whose sum is σ = 140702400. Its totient is φ = 46900784.

The previous prime is 87938953. The next prime is 87938993. The reversal of 87938985 is 58983978.

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

It is a cyclic number.

It is not a de Polignac number, because 87938985 - 2⁵ = 87938953 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2931285 + ... + 2931314.

It is an arithmetic number, because the mean of its divisors is an integer number (17587800).

Almost surely, 2^87938985 is an apocalyptic number.

It is an amenable number.

87938985 is a deficient number, since it is larger than the sum of its proper divisors (52763415).

87938985 is a wasteful number, since it uses less digits than its factorization.

87938985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5862607.

The product of its digits is 4354560, while the sum is 57.

The square root of 87938985 is about 9377.5788453097. The cubic root of 87938985 is about 444.6931942358.

The spelling of 87938985 in words is "eighty-seven million, nine hundred thirty-eight thousand, nine hundred eighty-five".