7987495 has 4 divisors (see below), whose sum is σ = 9585000. Its totient is φ = 6389992.

The previous prime is 7987487. The next prime is 7987531. The reversal of 7987495 is 5947897.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5947897 = 47 ⋅126551.

It is a cyclic number.

It is not a de Polignac number, because 7987495 - 2³ = 7987487 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a d-powerful number, because it can be written as 7³ + 9 + 8³ + 7⁸ + 4⁹ + 9⁴ + 5⁹ .

It is a congruent number.

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, 798745 + ... + 798754.

It is an arithmetic number, because the mean of its divisors is an integer number (2396250).

Almost surely, 2^7987495 is an apocalyptic number.

7987495 is a deficient number, since it is larger than the sum of its proper divisors (1597505).

7987495 is a wasteful number, since it uses less digits than its factorization.

7987495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1597504.

The product of its digits is 635040, while the sum is 49.

The square root of 7987495 is about 2826.2156676376. The cubic root of 7987495 is about 199.8957373226.

The spelling of 7987495 in words is "seven million, nine hundred eighty-seven thousand, four hundred ninety-five".