86426377 has 2 divisors, whose sum is σ = 86426378. Its totient is φ = 86426376.

The previous prime is 86426371. The next prime is 86426381. The reversal of 86426377 is 77362468.

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., 63107136 + 23319241 = 7944^2 + 4829^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86426377 is a prime.

It is a super-3 number, since 3×86426377³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (86426371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43213188 + 43213189.

It is an arithmetic number, because the mean of its divisors is an integer number (43213189).

Almost surely, 2^86426377 is an apocalyptic number.

It is an amenable number.

86426377 is a deficient number, since it is larger than the sum of its proper divisors (1).

86426377 is an equidigital number, since it uses as much as digits as its factorization.

86426377 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 338688, while the sum is 43.

The square root of 86426377 is about 9296.5787793145. The cubic root of 86426377 is about 442.1287630831.

The spelling of 86426377 in words is "eighty-six million, four hundred twenty-six thousand, three hundred seventy-seven".