38888846197 has 2 divisors, whose sum is σ = 38888846198. Its totient is φ = 38888846196.

The previous prime is 38888846141. The next prime is 38888846221. The reversal of 38888846197 is 79164888883.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27216420676 + 11672425521 = 164974^2 + 108039^2 .

It is a cyclic number.

It is not a de Polignac number, because 38888846197 - 2¹⁹ = 38888321909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38888846897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19444423098 + 19444423099.

It is an arithmetic number, because the mean of its divisors is an integer number (19444423099).

Almost surely, 2^38888846197 is an apocalyptic number.

It is an amenable number.

38888846197 is a deficient number, since it is larger than the sum of its proper divisors (1).

38888846197 is an equidigital number, since it uses as much as digits as its factorization.

38888846197 is an evil number, because the sum of its binary digits is even.

The product of its digits is 148635648, while the sum is 70.

The spelling of 38888846197 in words is "thirty-eight billion, eight hundred eighty-eight million, eight hundred forty-six thousand, one hundred ninety-seven".