7882661 has 2 divisors, whose sum is σ = 7882662. Its totient is φ = 7882660.

The previous prime is 7882627. The next prime is 7882673. The reversal of 7882661 is 1662887.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7873636 + 9025 = 2806^2 + 95^2 .

It is a cyclic number.

It is not a de Polignac number, because 7882661 - 2⁶ = 7882597 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7882601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3941330 + 3941331.

It is an arithmetic number, because the mean of its divisors is an integer number (3941331).

Almost surely, 2^7882661 is an apocalyptic number.

It is an amenable number.

7882661 is a deficient number, since it is larger than the sum of its proper divisors (1).

7882661 is an equidigital number, since it uses as much as digits as its factorization.

7882661 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32256, while the sum is 38.

The square root of 7882661 is about 2807.6077005166. The cubic root of 7882661 is about 199.0173549505.

It can be divided in two parts, 78826 and 61, that added together give a palindrome (78887).

The spelling of 7882661 in words is "seven million, eight hundred eighty-two thousand, six hundred sixty-one".