7877166 has 48 divisors (see below), whose sum is σ = 17864064. Its totient is φ = 2296000.

The previous prime is 7877159. The next prime is 7877167. The reversal of 7877166 is 6617787.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7877167) 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 23 ways as a sum of consecutive naturals, for example, 110911 + ... + 110981.

It is an arithmetic number, because the mean of its divisors is an integer number (372168).

Almost surely, 2^7877166 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7877166, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8932032).

7877166 is an abundant number, since it is smaller than the sum of its proper divisors (9986898).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7877166 is a wasteful number, since it uses less digits than its factorization.

7877166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169 (or 128 counting only the distinct ones).

The product of its digits is 98784, while the sum is 42.

The square root of 7877166 is about 2806.6289387805. The cubic root of 7877166 is about 198.9710992263.

The spelling of 7877166 in words is "seven million, eight hundred seventy-seven thousand, one hundred sixty-six".