5778532447 has 2 divisors, whose sum is σ = 5778532448. Its totient is φ = 5778532446.

The previous prime is 5778532429. The next prime is 5778532457. The reversal of 5778532447 is 7442358775.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5778532447 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5778532394 and 5778532403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5778532457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2889266223 + 2889266224.

It is an arithmetic number, because the mean of its divisors is an integer number (2889266224).

Almost surely, 2^5778532447 is an apocalyptic number.

5778532447 is a deficient number, since it is larger than the sum of its proper divisors (1).

5778532447 is an equidigital number, since it uses as much as digits as its factorization.

5778532447 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6585600, while the sum is 52.

The square root of 5778532447 is about 76016.6590097197. The cubic root of 5778532447 is about 1794.4823264908.

The spelling of 5778532447 in words is "five billion, seven hundred seventy-eight million, five hundred thirty-two thousand, four hundred forty-seven".