86647050089 has 2 divisors, whose sum is σ = 86647050090. Its totient is φ = 86647050088.

The previous prime is 86647050047. The next prime is 86647050101. The reversal of 86647050089 is 98005074668.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 86447760400 + 199289689 = 294020^2 + 14117^2 .

It is a cyclic number.

It is not a de Polignac number, because 86647050089 - 2⁸ = 86647049833 is a prime.

It is a super-2 number, since 2×86647050089² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 86647050089.

It is not a weakly prime, because it can be changed into another prime (86647053089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43323525044 + 43323525045.

It is an arithmetic number, because the mean of its divisors is an integer number (43323525045).

Almost surely, 2^86647050089 is an apocalyptic number.

It is an amenable number.

86647050089 is a deficient number, since it is larger than the sum of its proper divisors (1).

86647050089 is an equidigital number, since it uses as much as digits as its factorization.

86647050089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2903040, while the sum is 53.

The spelling of 86647050089 in words is "eighty-six billion, six hundred forty-seven million, fifty thousand, eighty-nine".