86935711943 has 2 divisors, whose sum is σ = 86935711944. Its totient is φ = 86935711942.

The previous prime is 86935711883. The next prime is 86935711957. The reversal of 86935711943 is 34911753968.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 86935711943 - 2²² = 86931517639 is a prime.

It is a super-4 number, since 4×86935711943⁴ (a number of 45 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86935711543) 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, 43467855971 + 43467855972.

It is an arithmetic number, because the mean of its divisors is an integer number (43467855972).

Almost surely, 2^86935711943 is an apocalyptic number.

86935711943 is a deficient number, since it is larger than the sum of its proper divisors (1).

86935711943 is an equidigital number, since it uses as much as digits as its factorization.

86935711943 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4898880, while the sum is 56.

The spelling of 86935711943 in words is "eighty-six billion, nine hundred thirty-five million, seven hundred eleven thousand, nine hundred forty-three".