86529524881 has 2 divisors, whose sum is σ = 86529524882. Its totient is φ = 86529524880.

The previous prime is 86529524777. The next prime is 86529524923. The reversal of 86529524881 is 18842592568.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 86365454400 + 164070481 = 293880^2 + 12809^2 .

It is a cyclic number.

It is not a de Polignac number, because 86529524881 - 2¹⁷ = 86529393809 is a prime.

It is a super-2 number, since 2×86529524881² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (86529524381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43264762440 + 43264762441.

It is an arithmetic number, because the mean of its divisors is an integer number (43264762441).

Almost surely, 2^86529524881 is an apocalyptic number.

It is an amenable number.

86529524881 is a deficient number, since it is larger than the sum of its proper divisors (1).

86529524881 is an equidigital number, since it uses as much as digits as its factorization.

86529524881 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11059200, while the sum is 58.

The spelling of 86529524881 in words is "eighty-six billion, five hundred twenty-nine million, five hundred twenty-four thousand, eight hundred eighty-one".