86325205081 has 2 divisors, whose sum is σ = 86325205082. Its totient is φ = 86325205080.

The previous prime is 86325205033. The next prime is 86325205091. The reversal of 86325205081 is 18050252368.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 75361230400 + 10963974681 = 274520^2 + 104709^2 .

It is a cyclic number.

It is not a de Polignac number, because 86325205081 - 2²³ = 86316816473 is a prime.

It is a super-2 number, since 2×86325205081² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (86325205091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43162602540 + 43162602541.

It is an arithmetic number, because the mean of its divisors is an integer number (43162602541).

Almost surely, 2^86325205081 is an apocalyptic number.

It is an amenable number.

86325205081 is a deficient number, since it is larger than the sum of its proper divisors (1).

86325205081 is an equidigital number, since it uses as much as digits as its factorization.

86325205081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 115200, while the sum is 40.

The spelling of 86325205081 in words is "eighty-six billion, three hundred twenty-five million, two hundred five thousand, eighty-one".