83827581086749 has 2 divisors, whose sum is σ = 83827581086750. Its totient is φ = 83827581086748.

The previous prime is 83827581086699. The next prime is 83827581086813. The reversal of 83827581086749 is 94768018572838.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 75005386119225 + 8822194967524 = 8660565^2 + 2970218^2 .

It is a cyclic number.

It is not a de Polignac number, because 83827581086749 - 2¹⁵ = 83827581053981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83827551086749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41913790543374 + 41913790543375.

It is an arithmetic number, because the mean of its divisors is an integer number (41913790543375).

It is a 1-persistent number, because it is pandigital, but 2⋅83827581086749 = 167655162173498 is not.

Almost surely, 2^{83827581086749} is an apocalyptic number.

It is an amenable number.

83827581086749 is a deficient number, since it is larger than the sum of its proper divisors (1).

83827581086749 is an equidigital number, since it uses as much as digits as its factorization.

83827581086749 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1300561920, while the sum is 76.

The spelling of 83827581086749 in words is "eighty-three trillion, eight hundred twenty-seven billion, five hundred eighty-one million, eighty-six thousand, seven hundred forty-nine".