38766253879 has 2 divisors, whose sum is σ = 38766253880. Its totient is φ = 38766253878.

The previous prime is 38766253843. The next prime is 38766253957. The reversal of 38766253879 is 97835266783.

It is a weak prime.

It is an emirp because it is prime and its reverse (97835266783) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 38766253879 - 2⁷ = 38766253751 is a prime.

It is a super-2 number, since 2×38766253879² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 38766253879.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38766259879) 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, 19383126939 + 19383126940.

It is an arithmetic number, because the mean of its divisors is an integer number (19383126940).

Almost surely, 2^38766253879 is an apocalyptic number.

38766253879 is a deficient number, since it is larger than the sum of its proper divisors (1).

38766253879 is an equidigital number, since it uses as much as digits as its factorization.

38766253879 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 91445760, while the sum is 64.

The spelling of 38766253879 in words is "thirty-eight billion, seven hundred sixty-six million, two hundred fifty-three thousand, eight hundred seventy-nine".