5647977 has 12 divisors (see below), whose sum is σ = 8178820. Its totient is φ = 3755808.

The previous prime is 5647969. The next prime is 5647981. The reversal of 5647977 is 7797465.

It can be written as a sum of positive squares in 2 ways, for example, as 3370896 + 2277081 = 1836^2 + 1509^2 .

It is not a de Polignac number, because 5647977 - 2³ = 5647969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5647907) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6399 + ... + 7227.

Almost surely, 2^5647977 is an apocalyptic number.

It is an amenable number.

5647977 is a deficient number, since it is larger than the sum of its proper divisors (2530843).

5647977 is a wasteful number, since it uses less digits than its factorization.

5647977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1592 (or 1589 counting only the distinct ones).

The product of its digits is 370440, while the sum is 45.

The square root of 5647977 is about 2376.5472854543. The cubic root of 5647977 is about 178.0864895509.

The spelling of 5647977 in words is "five million, six hundred forty-seven thousand, nine hundred seventy-seven".