3678776137 has 2 divisors, whose sum is σ = 3678776138. Its totient is φ = 3678776136.

The previous prime is 3678776117. The next prime is 3678776141. The reversal of 3678776137 is 7316778763.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3635004681 + 43771456 = 60291^2 + 6616^2 .

It is a cyclic number.

It is not a de Polignac number, because 3678776137 - 2³¹ = 1531292489 is a prime.

It is not a weakly prime, because it can be changed into another prime (3678776117) 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, 1839388068 + 1839388069.

It is an arithmetic number, because the mean of its divisors is an integer number (1839388069).

Almost surely, 2^3678776137 is an apocalyptic number.

It is an amenable number.

3678776137 is a deficient number, since it is larger than the sum of its proper divisors (1).

3678776137 is an equidigital number, since it uses as much as digits as its factorization.

3678776137 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6223392, while the sum is 55.

The square root of 3678776137 is about 60652.9153215243. The cubic root of 3678776137 is about 1543.7173558047.

The spelling of 3678776137 in words is "three billion, six hundred seventy-eight million, seven hundred seventy-six thousand, one hundred thirty-seven".