5779643977 has 2 divisors, whose sum is σ = 5779643978. Its totient is φ = 5779643976.

The previous prime is 5779643957. The next prime is 5779644041. The reversal of 5779643977 is 7793469775.

It is an a-pointer prime, because the next prime (5779644041) can be obtained adding 5779643977 to its sum of digits (64).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5632652601 + 146991376 = 75051^2 + 12124^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5779643977 is a prime.

It is not a weakly prime, because it can be changed into another prime (5779643917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2889821988 + 2889821989.

It is an arithmetic number, because the mean of its divisors is an integer number (2889821989).

Almost surely, 2^5779643977 is an apocalyptic number.

It is an amenable number.

5779643977 is a deficient number, since it is larger than the sum of its proper divisors (1).

5779643977 is an equidigital number, since it uses as much as digits as its factorization.

5779643977 is an evil number, because the sum of its binary digits is even.

The product of its digits is 70013160, while the sum is 64.

The square root of 5779643977 is about 76023.9697529667. The cubic root of 5779643977 is about 1794.5973783707.

The spelling of 5779643977 in words is "five billion, seven hundred seventy-nine million, six hundred forty-three thousand, nine hundred seventy-seven".