6780632057 has 2 divisors, whose sum is σ = 6780632058. Its totient is φ = 6780632056.

The previous prime is 6780632017. The next prime is 6780632081. The reversal of 6780632057 is 7502360876.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6726624256 + 54007801 = 82016^2 + 7349^2 .

It is a cyclic number.

It is not a de Polignac number, because 6780632057 - 2⁸ = 6780631801 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6780631999 and 6780632017.

It is not a weakly prime, because it can be changed into another prime (6780632017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3390316028 + 3390316029.

It is an arithmetic number, because the mean of its divisors is an integer number (3390316029).

Almost surely, 2^6780632057 is an apocalyptic number.

It is an amenable number.

6780632057 is a deficient number, since it is larger than the sum of its proper divisors (1).

6780632057 is an equidigital number, since it uses as much as digits as its factorization.

6780632057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 423360, while the sum is 44.

The square root of 6780632057 is about 82344.5933683566. The cubic root of 6780632057 is about 1892.7360740483.

The spelling of 6780632057 in words is "six billion, seven hundred eighty million, six hundred thirty-two thousand, fifty-seven".