86868027621511 has 2 divisors, whose sum is σ = 86868027621512. Its totient is φ = 86868027621510.

The previous prime is 86868027621467. The next prime is 86868027621547. The reversal of 86868027621511 is 11512672086868.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 86868027621511 - 2⁹ = 86868027620999 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 86868027621511.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86868025621511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43434013810755 + 43434013810756.

It is an arithmetic number, because the mean of its divisors is an integer number (43434013810756).

Almost surely, 2^{86868027621511} is an apocalyptic number.

86868027621511 is a deficient number, since it is larger than the sum of its proper divisors (1).

86868027621511 is an equidigital number, since it uses as much as digits as its factorization.

86868027621511 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15482880, while the sum is 61.

The spelling of 86868027621511 in words is "eighty-six trillion, eight hundred sixty-eight billion, twenty-seven million, six hundred twenty-one thousand, five hundred eleven".