86916043 has 2 divisors, whose sum is σ = 86916044. Its totient is φ = 86916042.

The previous prime is 86916041. The next prime is 86916047. The reversal of 86916043 is 34061968.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 86916043 - 2¹ = 86916041 is a prime.

Together with 86916041, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 86915993 and 86916011.

It is not a weakly prime, because it can be changed into another prime (86916041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43458021 + 43458022.

It is an arithmetic number, because the mean of its divisors is an integer number (43458022).

Almost surely, 2^86916043 is an apocalyptic number.

86916043 is a deficient number, since it is larger than the sum of its proper divisors (1).

86916043 is an equidigital number, since it uses as much as digits as its factorization.

86916043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 86916043 is about 9322.8773991724. The cubic root of 86916043 is about 442.9621808675.

The spelling of 86916043 in words is "eighty-six million, nine hundred sixteen thousand, forty-three".