38675770778611 has 2 divisors, whose sum is σ = 38675770778612. Its totient is φ = 38675770778610.

The previous prime is 38675770778549. The next prime is 38675770778627. The reversal of 38675770778611 is 11687707757683.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 38675770778611 - 2¹⁷ = 38675770647539 is a prime.

It is not a weakly prime, because it can be changed into another prime (38675750778611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19337885389305 + 19337885389306.

It is an arithmetic number, because the mean of its divisors is an integer number (19337885389306).

Almost surely, 2^{38675770778611} is an apocalyptic number.

38675770778611 is a deficient number, since it is larger than the sum of its proper divisors (1).

38675770778611 is an equidigital number, since it uses as much as digits as its factorization.

38675770778611 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 580849920, while the sum is 73.

The spelling of 38675770778611 in words is "thirty-eight trillion, six hundred seventy-five billion, seven hundred seventy million, seven hundred seventy-eight thousand, six hundred eleven".