38787378163277 has 2 divisors, whose sum is σ = 38787378163278. Its totient is φ = 38787378163276.

The previous prime is 38787378163253. The next prime is 38787378163279. The reversal of 38787378163277 is 77236187378783.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33213713501956 + 5573664661321 = 5763134^2 + 2360861^2 .

It is a cyclic number.

It is not a de Polignac number, because 38787378163277 - 2³² = 38783083195981 is a prime.

Together with 38787378163279, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 38787378163198 and 38787378163207.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38787378163279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19393689081638 + 19393689081639.

It is an arithmetic number, because the mean of its divisors is an integer number (19393689081639).

Almost surely, 2^{38787378163277} is an apocalyptic number.

It is an amenable number.

38787378163277 is a deficient number, since it is larger than the sum of its proper divisors (1).

38787378163277 is an equidigital number, since it uses as much as digits as its factorization.

38787378163277 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2788079616, while the sum is 77.

The spelling of 38787378163277 in words is "thirty-eight trillion, seven hundred eighty-seven billion, three hundred seventy-eight million, one hundred sixty-three thousand, two hundred seventy-seven".