7895987 has 4 divisors (see below), whose sum is σ = 8613816. Its totient is φ = 7178160.

The previous prime is 7895977. The next prime is 7895989.

7895987 is nontrivially palindromic in base 10.

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

It is a de Polignac number, because none of the positive numbers 2^k-7895987 is a prime.

It is a super-2 number, since 2×7895987² = 124693221408338, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7895989) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 358898 + ... + 358919.

It is an arithmetic number, because the mean of its divisors is an integer number (2153454).

Almost surely, 2^7895987 is an apocalyptic number.

7895987 is a deficient number, since it is larger than the sum of its proper divisors (717829).

7895987 is a wasteful number, since it uses less digits than its factorization.

7895987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 717828.

The product of its digits is 1270080, while the sum is 53.

The square root of 7895987 is about 2809.9798931665. The cubic root of 7895987 is about 199.1294411344.

It can be divided in two parts, 789 and 5987, that added together give a palindrome (6776).

The spelling of 7895987 in words is "seven million, eight hundred ninety-five thousand, nine hundred eighty-seven".