38678880571061 has 2 divisors, whose sum is σ = 38678880571062. Its totient is φ = 38678880571060.

The previous prime is 38678880571043. The next prime is 38678880571073. The reversal of 38678880571061 is 16017508887683.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33652540768561 + 5026339802500 = 5801081^2 + 2241950^2 .

It is an emirp because it is prime and its reverse (16017508887683) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 38678880571061 - 2¹⁰ = 38678880570037 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 38678880570982 and 38678880571000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38678880571081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19339440285530 + 19339440285531.

It is an arithmetic number, because the mean of its divisors is an integer number (19339440285531).

Almost surely, 2^{38678880571061} is an apocalyptic number.

It is an amenable number.

38678880571061 is a deficient number, since it is larger than the sum of its proper divisors (1).

38678880571061 is an equidigital number, since it uses as much as digits as its factorization.

38678880571061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108380160, while the sum is 68.

The spelling of 38678880571061 in words is "thirty-eight trillion, six hundred seventy-eight billion, eight hundred eighty million, five hundred seventy-one thousand, sixty-one".