86256188217767 has 2 divisors, whose sum is σ = 86256188217768. Its totient is φ = 86256188217766.

The previous prime is 86256188217757. The next prime is 86256188217847. The reversal of 86256188217767 is 76771288165268.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 86256188217767 - 2³⁴ = 86239008348583 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 86256188217694 and 86256188217703.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86256188217757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43128094108883 + 43128094108884.

It is an arithmetic number, because the mean of its divisors is an integer number (43128094108884).

Almost surely, 2^{86256188217767} is an apocalyptic number.

86256188217767 is a deficient number, since it is larger than the sum of its proper divisors (1).

86256188217767 is an equidigital number, since it uses as much as digits as its factorization.

86256188217767 is an evil number, because the sum of its binary digits is even.

The product of its digits is 758661120, while the sum is 74.

The spelling of 86256188217767 in words is "eighty-six trillion, two hundred fifty-six billion, one hundred eighty-eight million, two hundred seventeen thousand, seven hundred sixty-seven".