7871116 has 12 divisors (see below), whose sum is σ = 15026760. Its totient is φ = 3577760.

The previous prime is 7871113. The next prime is 7871141. The reversal of 7871116 is 6111787.

It is not an unprimeable number, because it can be changed into a prime (7871113) 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, 89401 + ... + 89488.

It is an arithmetic number, because the mean of its divisors is an integer number (1252230).

Almost surely, 2^7871116 is an apocalyptic number.

It is an amenable number.

7871116 is a deficient number, since it is larger than the sum of its proper divisors (7155644).

7871116 is a wasteful number, since it uses less digits than its factorization.

7871116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178904 (or 178902 counting only the distinct ones).

The product of its digits is 2352, while the sum is 31.

The square root of 7871116 is about 2805.5509262888. The cubic root of 7871116 is about 198.9201467447.

The spelling of 7871116 in words is "seven million, eight hundred seventy-one thousand, one hundred sixteen".