5647799771 has 2 divisors, whose sum is σ = 5647799772. Its totient is φ = 5647799770.

The previous prime is 5647799743. The next prime is 5647799803. The reversal of 5647799771 is 1779977465.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5647799771 - 2¹⁰ = 5647798747 is a prime.

It is not a weakly prime, because it can be changed into another prime (5647799711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2823899885 + 2823899886.

It is an arithmetic number, because the mean of its divisors is an integer number (2823899886).

Almost surely, 2^5647799771 is an apocalyptic number.

5647799771 is a deficient number, since it is larger than the sum of its proper divisors (1).

5647799771 is an equidigital number, since it uses as much as digits as its factorization.

5647799771 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23337720, while the sum is 62.

The square root of 5647799771 is about 75151.8447611235. The cubic root of 5647799771 is about 1780.8462679427.

The spelling of 5647799771 in words is "five billion, six hundred forty-seven million, seven hundred ninety-nine thousand, seven hundred seventy-one".