86846117 has 2 divisors, whose sum is σ = 86846118. Its totient is φ = 86846116.

The previous prime is 86846113. The next prime is 86846143. The reversal of 86846117 is 71164868.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 84070561 + 2775556 = 9169^2 + 1666^2 .

It is a cyclic number.

It is not a de Polignac number, because 86846117 - 2² = 86846113 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86846113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43423058 + 43423059.

It is an arithmetic number, because the mean of its divisors is an integer number (43423059).

Almost surely, 2^86846117 is an apocalyptic number.

It is an amenable number.

86846117 is a deficient number, since it is larger than the sum of its proper divisors (1).

86846117 is an equidigital number, since it uses as much as digits as its factorization.

86846117 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 64512, while the sum is 41.

The square root of 86846117 is about 9319.1264075556. The cubic root of 86846117 is about 442.8433578336.

The spelling of 86846117 in words is "eighty-six million, eight hundred forty-six thousand, one hundred seventeen".