5666977 has 4 divisors (see below), whose sum is σ = 5862420. Its totient is φ = 5471536.

The previous prime is 5666971. The next prime is 5666981. The reversal of 5666977 is 7796665.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7796665 = 5 ⋅1559333.

It can be written as a sum of positive squares in 2 ways, for example, as 4822416 + 844561 = 2196^2 + 919^2 .

It is a cyclic number.

It is not a de Polignac number, because 5666977 - 2⁷ = 5666849 is a prime.

It is a super-2 number, since 2×5666977² = 64229256637058, which contains 22 as substring.

It is a Duffinian number.

It is a nialpdrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (5666971) 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 3 ways as a sum of consecutive naturals, for example, 97678 + ... + 97735.

It is an arithmetic number, because the mean of its divisors is an integer number (1465605).

Almost surely, 2^5666977 is an apocalyptic number.

It is an amenable number.

5666977 is a deficient number, since it is larger than the sum of its proper divisors (195443).

5666977 is a wasteful number, since it uses less digits than its factorization.

5666977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195442.

The product of its digits is 476280, while the sum is 46.

The square root of 5666977 is about 2380.5413249931. The cubic root of 5666977 is about 178.2859625153.

The spelling of 5666977 in words is "five million, six hundred sixty-six thousand, nine hundred seventy-seven".