6987875 has 8 divisors (see below), whose sum is σ = 8721024. Its totient is φ = 5590200.

The previous prime is 6987863. The next prime is 6987907. The reversal of 6987875 is 5787896.

It is a happy number.

It is not a de Polignac number, because 6987875 - 2⁸ = 6987619 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, 27827 + ... + 28076.

It is an arithmetic number, because the mean of its divisors is an integer number (1090128).

Almost surely, 2^6987875 is an apocalyptic number.

6987875 is a deficient number, since it is larger than the sum of its proper divisors (1733149).

6987875 is an equidigital number, since it uses as much as digits as its factorization.

6987875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55918 (or 55908 counting only the distinct ones).

The product of its digits is 846720, while the sum is 50.

The square root of 6987875 is about 2643.4589083245. The cubic root of 6987875 is about 191.1826054418.

The spelling of 6987875 in words is "six million, nine hundred eighty-seven thousand, eight hundred seventy-five".