38842675979 has 2 divisors, whose sum is σ = 38842675980. Its totient is φ = 38842675978.

The previous prime is 38842675967. The next prime is 38842675999. The reversal of 38842675979 is 97957624883.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38842675979 is a prime.

It is not a weakly prime, because it can be changed into another prime (38842675999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19421337989 + 19421337990.

It is an arithmetic number, because the mean of its divisors is an integer number (19421337990).

Almost surely, 2^38842675979 is an apocalyptic number.

38842675979 is a deficient number, since it is larger than the sum of its proper divisors (1).

38842675979 is an equidigital number, since it uses as much as digits as its factorization.

38842675979 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 182891520, while the sum is 68.

The spelling of 38842675979 in words is "thirty-eight billion, eight hundred forty-two million, six hundred seventy-five thousand, nine hundred seventy-nine".