379875841390117 has 2 divisors, whose sum is σ = 379875841390118. Its totient is φ = 379875841390116.

The previous prime is 379875841390079. The next prime is 379875841390183. The reversal of 379875841390117 is 711093148578973.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 377603945377156 + 2271896012961 = 19432034^2 + 1507281^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-379875841390117 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 379875841390117.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (379875841390217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 189937920695058 + 189937920695059.

It is an arithmetic number, because the mean of its divisors is an integer number (189937920695059).

Almost surely, 2^{379875841390117} is an apocalyptic number.

It is an amenable number.

379875841390117 is a deficient number, since it is larger than the sum of its proper divisors (1).

379875841390117 is an equidigital number, since it uses as much as digits as its factorization.

379875841390117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 320060160, while the sum is 73.

The spelling of 379875841390117 in words is "three hundred seventy-nine trillion, eight hundred seventy-five billion, eight hundred forty-one million, three hundred ninety thousand, one hundred seventeen".