5128326977 has 2 divisors, whose sum is σ = 5128326978. Its totient is φ = 5128326976.

The previous prime is 5128326961. The next prime is 5128327007. The reversal of 5128326977 is 7796238215.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4829694016 + 298632961 = 69496^2 + 17281^2 .

It is a cyclic number.

It is not a de Polignac number, because 5128326977 - 2⁴ = 5128326961 is a prime.

It is not a weakly prime, because it can be changed into another prime (5128326677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2564163488 + 2564163489.

It is an arithmetic number, because the mean of its divisors is an integer number (2564163489).

Almost surely, 2^5128326977 is an apocalyptic number.

It is an amenable number.

5128326977 is a deficient number, since it is larger than the sum of its proper divisors (1).

5128326977 is an equidigital number, since it uses as much as digits as its factorization.

5128326977 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1270080, while the sum is 50.

The square root of 5128326977 is about 71612.3381618000. The cubic root of 5128326977 is about 1724.4816171963.

The spelling of 5128326977 in words is "five billion, one hundred twenty-eight million, three hundred twenty-six thousand, nine hundred seventy-seven".