38078852448173 has 2 divisors, whose sum is σ = 38078852448174. Its totient is φ = 38078852448172.

The previous prime is 38078852448139. The next prime is 38078852448199. The reversal of 38078852448173 is 37184425887083.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34212052697449 + 3866799750724 = 5849107^2 + 1966418^2 .

It is a cyclic number.

It is not a de Polignac number, because 38078852448173 - 2¹⁸ = 38078852186029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38078852448103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19039426224086 + 19039426224087.

It is an arithmetic number, because the mean of its divisors is an integer number (19039426224087).

Almost surely, 2^{38078852448173} is an apocalyptic number.

It is an amenable number.

38078852448173 is a deficient number, since it is larger than the sum of its proper divisors (1).

38078852448173 is an equidigital number, since it uses as much as digits as its factorization.

38078852448173 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 289013760, while the sum is 68.

The spelling of 38078852448173 in words is "thirty-eight trillion, seventy-eight billion, eight hundred fifty-two million, four hundred forty-eight thousand, one hundred seventy-three".