86871570481 has 2 divisors, whose sum is σ = 86871570482. Its totient is φ = 86871570480.

The previous prime is 86871570463. The next prime is 86871570503. The reversal of 86871570481 is 18407517868.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 85872441600 + 999128881 = 293040^2 + 31609^2 .

It is a cyclic number.

It is not a de Polignac number, because 86871570481 - 2⁷ = 86871570353 is a prime.

It is a super-2 number, since 2×86871570481² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (86871574481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43435785240 + 43435785241.

It is an arithmetic number, because the mean of its divisors is an integer number (43435785241).

Almost surely, 2^86871570481 is an apocalyptic number.

It is an amenable number.

86871570481 is a deficient number, since it is larger than the sum of its proper divisors (1).

86871570481 is an equidigital number, since it uses as much as digits as its factorization.

86871570481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3010560, while the sum is 55.

The spelling of 86871570481 in words is "eighty-six billion, eight hundred seventy-one million, five hundred seventy thousand, four hundred eighty-one".