38678653541117 has 2 divisors, whose sum is σ = 38678653541118. Its totient is φ = 38678653541116.

The previous prime is 38678653541107. The next prime is 38678653541233. The reversal of 38678653541117 is 71114535687683.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20333074026841 + 18345579514276 = 4509221^2 + 4283174^2 .

It is an emirp because it is prime and its reverse (71114535687683) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 38678653541117 - 2²⁶ = 38678586432253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38678653541107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19339326770558 + 19339326770559.

It is an arithmetic number, because the mean of its divisors is an integer number (19339326770559).

Almost surely, 2^{38678653541117} is an apocalyptic number.

It is an amenable number.

38678653541117 is a deficient number, since it is larger than the sum of its proper divisors (1).

38678653541117 is an equidigital number, since it uses as much as digits as its factorization.

38678653541117 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 101606400, while the sum is 65.

The spelling of 38678653541117 in words is "thirty-eight trillion, six hundred seventy-eight billion, six hundred fifty-three million, five hundred forty-one thousand, one hundred seventeen".