84107514758117 has 2 divisors, whose sum is σ = 84107514758118. Its totient is φ = 84107514758116.

The previous prime is 84107514758041. The next prime is 84107514758123. The reversal of 84107514758117 is 71185741570148.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 56523947734081 + 27583567024036 = 7518241^2 + 5252006^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-84107514758117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84107514788117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42053757379058 + 42053757379059.

It is an arithmetic number, because the mean of its divisors is an integer number (42053757379059).

Almost surely, 2^{84107514758117} is an apocalyptic number.

It is an amenable number.

84107514758117 is a deficient number, since it is larger than the sum of its proper divisors (1).

84107514758117 is an equidigital number, since it uses as much as digits as its factorization.

84107514758117 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8780800, while the sum is 59.

The spelling of 84107514758117 in words is "eighty-four trillion, one hundred seven billion, five hundred fourteen million, seven hundred fifty-eight thousand, one hundred seventeen".