86745912943 has 2 divisors, whose sum is σ = 86745912944. Its totient is φ = 86745912942.

The previous prime is 86745912917. The next prime is 86745912947. The reversal of 86745912943 is 34921954768.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86745912943 is a prime.

It is a super-4 number, since 4×86745912943⁴ (a number of 45 digits) contains 4444 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86745912947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43372956471 + 43372956472.

It is an arithmetic number, because the mean of its divisors is an integer number (43372956472).

Almost surely, 2^86745912943 is an apocalyptic number.

86745912943 is a deficient number, since it is larger than the sum of its proper divisors (1).

86745912943 is an equidigital number, since it uses as much as digits as its factorization.

86745912943 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13063680, while the sum is 58.

The spelling of 86745912943 in words is "eighty-six billion, seven hundred forty-five million, nine hundred twelve thousand, nine hundred forty-three".