7116857 has 8 divisors (see below), whose sum is σ = 7829472. Its totient is φ = 6468660.

The previous prime is 7116847. The next prime is 7116869. The reversal of 7116857 is 7586117.

It is not a de Polignac number, because 7116857 - 2¹² = 7112761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7116847) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1343 + ... + 4004.

It is an arithmetic number, because the mean of its divisors is an integer number (978684).

Almost surely, 2^7116857 is an apocalyptic number.

It is an amenable number.

7116857 is a deficient number, since it is larger than the sum of its proper divisors (712615).

7116857 is an equidigital number, since it uses as much as digits as its factorization.

7116857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5380 (or 5358 counting only the distinct ones).

The product of its digits is 11760, while the sum is 35.

The square root of 7116857 is about 2667.7438032915. The cubic root of 7116857 is about 192.3517225500.

The spelling of 7116857 in words is "seven million, one hundred sixteen thousand, eight hundred fifty-seven".