38880198277 has 2 divisors, whose sum is σ = 38880198278. Its totient is φ = 38880198276.

The previous prime is 38880198241. The next prime is 38880198293. The reversal of 38880198277 is 77289108883.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33794939556 + 5085258721 = 183834^2 + 71311^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38880198277 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38880198377) 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, 19440099138 + 19440099139.

It is an arithmetic number, because the mean of its divisors is an integer number (19440099139).

Almost surely, 2^38880198277 is an apocalyptic number.

It is an amenable number.

38880198277 is a deficient number, since it is larger than the sum of its proper divisors (1).

38880198277 is an equidigital number, since it uses as much as digits as its factorization.

38880198277 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10838016, while the sum is 61.

The spelling of 38880198277 in words is "thirty-eight billion, eight hundred eighty million, one hundred ninety-eight thousand, two hundred seventy-seven".