86116829932481 has 2 divisors, whose sum is σ = 86116829932482. Its totient is φ = 86116829932480.

The previous prime is 86116829932457. The next prime is 86116829932513. The reversal of 86116829932481 is 18423992861168.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 85758249330625 + 358580601856 = 9260575^2 + 598816^2 .

It is a cyclic number.

It is not a de Polignac number, because 86116829932481 - 2⁶ = 86116829932417 is a prime.

It is a super-2 number, since 2×86116829932481² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (86116829932421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43058414966240 + 43058414966241.

It is an arithmetic number, because the mean of its divisors is an integer number (43058414966241).

Almost surely, 2^{86116829932481} is an apocalyptic number.

It is an amenable number.

86116829932481 is a deficient number, since it is larger than the sum of its proper divisors (1).

86116829932481 is an equidigital number, since it uses as much as digits as its factorization.

86116829932481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 71663616, while the sum is 68.

The spelling of 86116829932481 in words is "eighty-six trillion, one hundred sixteen billion, eight hundred twenty-nine million, nine hundred thirty-two thousand, four hundred eighty-one".