6778573037 has 2 divisors, whose sum is σ = 6778573038. Its totient is φ = 6778573036.

The previous prime is 6778573031. The next prime is 6778573069. The reversal of 6778573037 is 7303758776.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6456765316 + 321807721 = 80354^2 + 17939^2 .

It is a cyclic number.

It is not a de Polignac number, because 6778573037 - 2⁶ = 6778572973 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6778573037.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6778573031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3389286518 + 3389286519.

It is an arithmetic number, because the mean of its divisors is an integer number (3389286519).

Almost surely, 2^6778573037 is an apocalyptic number.

It is an amenable number.

6778573037 is a deficient number, since it is larger than the sum of its proper divisors (1).

6778573037 is an equidigital number, since it uses as much as digits as its factorization.

6778573037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5186160, while the sum is 53.

The square root of 6778573037 is about 82332.0899588976. The cubic root of 6778573037 is about 1892.5444706727.

The spelling of 6778573037 in words is "six billion, seven hundred seventy-eight million, five hundred seventy-three thousand, thirty-seven".