8937987 has 4 divisors (see below), whose sum is σ = 11917320. Its totient is φ = 5958656.

The previous prime is 8937983. The next prime is 8937997. The reversal of 8937987 is 7897398.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 8937987 - 2² = 8937983 is a prime.

It is a super-2 number, since 2×8937987² = 159775223224338, which contains 22 as substring.

8937987 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (8937983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1489662 + ... + 1489667.

It is an arithmetic number, because the mean of its divisors is an integer number (2979330).

Almost surely, 2^8937987 is an apocalyptic number.

8937987 is a deficient number, since it is larger than the sum of its proper divisors (2979333).

8937987 is a wasteful number, since it uses less digits than its factorization.

8937987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2979332.

The product of its digits is 762048, while the sum is 51.

The square root of 8937987 is about 2989.6466346376. The cubic root of 8937987 is about 207.5295317720.

The spelling of 8937987 in words is "eight million, nine hundred thirty-seven thousand, nine hundred eighty-seven".