86018057 has 2 divisors, whose sum is σ = 86018058. Its totient is φ = 86018056.

The previous prime is 86018029. The next prime is 86018059. The reversal of 86018057 is 75081068.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 82373776 + 3644281 = 9076^2 + 1909^2 .

It is a cyclic number.

It is not a de Polignac number, because 86018057 - 2⁸ = 86017801 is a prime.

It is a super-2 number, since 2×86018057² = 14798212260110498, which contains 22 as substring.

Together with 86018059, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (86018059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43009028 + 43009029.

It is an arithmetic number, because the mean of its divisors is an integer number (43009029).

Almost surely, 2^86018057 is an apocalyptic number.

It is an amenable number.

86018057 is a deficient number, since it is larger than the sum of its proper divisors (1).

86018057 is an equidigital number, since it uses as much as digits as its factorization.

86018057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13440, while the sum is 35.

The square root of 86018057 is about 9274.5920125901. The cubic root of 86018057 is about 441.4313869845.

The spelling of 86018057 in words is "eighty-six million, eighteen thousand, fifty-seven".