5647479997 has 2 divisors, whose sum is σ = 5647479998. Its totient is φ = 5647479996.

The previous prime is 5647479977. The next prime is 5647480021. The reversal of 5647479997 is 7999747465.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3473216356 + 2174263641 = 58934^2 + 46629^2 .

It is a cyclic number.

It is not a de Polignac number, because 5647479997 - 2¹⁵ = 5647447229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5647479977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2823739998 + 2823739999.

It is an arithmetic number, because the mean of its divisors is an integer number (2823739999).

Almost surely, 2^5647479997 is an apocalyptic number.

It is an amenable number.

5647479997 is a deficient number, since it is larger than the sum of its proper divisors (1).

5647479997 is an equidigital number, since it uses as much as digits as its factorization.

5647479997 is an evil number, because the sum of its binary digits is even.

The product of its digits is 120022560, while the sum is 67.

The square root of 5647479997 is about 75149.7172117101. The cubic root of 5647479997 is about 1780.8126572680.

The spelling of 5647479997 in words is "five billion, six hundred forty-seven million, four hundred seventy-nine thousand, nine hundred ninety-seven".