7987105 has 8 divisors (see below), whose sum is σ = 10953792. Its totient is φ = 5476848.

The previous prime is 7987099. The next prime is 7987123. The reversal of 7987105 is 5017897.

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 7987105 - 2¹³ = 7978913 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114067 + ... + 114136.

It is an arithmetic number, because the mean of its divisors is an integer number (1369224).

Almost surely, 2^7987105 is an apocalyptic number.

It is an amenable number.

7987105 is a deficient number, since it is larger than the sum of its proper divisors (2966687).

7987105 is a wasteful number, since it uses less digits than its factorization.

7987105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228215.

The product of its (nonzero) digits is 17640, while the sum is 37.

The square root of 7987105 is about 2826.1466699377. The cubic root of 7987105 is about 199.8924838784.

The spelling of 7987105 in words is "seven million, nine hundred eighty-seven thousand, one hundred five".