86358121 has 2 divisors, whose sum is σ = 86358122. Its totient is φ = 86358120.

The previous prime is 86358119. The next prime is 86358133. The reversal of 86358121 is 12185368.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 55666521 + 30691600 = 7461^2 + 5540^2 .

It is a cyclic number.

It is not a de Polignac number, because 86358121 - 2¹ = 86358119 is a prime.

Together with 86358119, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (86358101) 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, 43179060 + 43179061.

It is an arithmetic number, because the mean of its divisors is an integer number (43179061).

Almost surely, 2^86358121 is an apocalyptic number.

It is an amenable number.

86358121 is a deficient number, since it is larger than the sum of its proper divisors (1).

86358121 is an equidigital number, since it uses as much as digits as its factorization.

86358121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11520, while the sum is 34.

The square root of 86358121 is about 9292.9070263293. The cubic root of 86358121 is about 442.0123407213.

The spelling of 86358121 in words is "eighty-six million, three hundred fifty-eight thousand, one hundred twenty-one".