7868875 has 48 divisors (see below), whose sum is σ = 12422592. Its totient is φ = 4857600.

The previous prime is 7868851. The next prime is 7868897. The reversal of 7868875 is 5788687.

It is not a de Polignac number, because 7868875 - 2⁷ = 7868747 is a prime.

It is an Ulam number.

7868875 is a lucky number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 342114 + ... + 342136.

It is an arithmetic number, because the mean of its divisors is an integer number (258804).

Almost surely, 2^7868875 is an apocalyptic number.

7868875 is a deficient number, since it is larger than the sum of its proper divisors (4553717).

7868875 is a wasteful number, since it uses less digits than its factorization.

7868875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85 (or 52 counting only the distinct ones).

The product of its digits is 752640, while the sum is 49.

The square root of 7868875 is about 2805.1515110596. The cubic root of 7868875 is about 198.9012666451.

The spelling of 7868875 in words is "seven million, eight hundred sixty-eight thousand, eight hundred seventy-five".