86571034787759 has 2 divisors, whose sum is σ = 86571034787760. Its totient is φ = 86571034787758.

The previous prime is 86571034787749. The next prime is 86571034787807. The reversal of 86571034787759 is 95778743017568.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86571034787759 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 86571034787759.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86571034787729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43285517393879 + 43285517393880.

It is an arithmetic number, because the mean of its divisors is an integer number (43285517393880).

Almost surely, 2^{86571034787759} is an apocalyptic number.

86571034787759 is a deficient number, since it is larger than the sum of its proper divisors (1).

86571034787759 is an equidigital number, since it uses as much as digits as its factorization.

86571034787759 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2489356800, while the sum is 77.

The spelling of 86571034787759 in words is "eighty-six trillion, five hundred seventy-one billion, thirty-four million, seven hundred eighty-seven thousand, seven hundred fifty-nine".