86168377 has 2 divisors, whose sum is σ = 86168378. Its totient is φ = 86168376.

The previous prime is 86168371. The next prime is 86168387. The reversal of 86168377 is 77386168.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 85914361 + 254016 = 9269^2 + 504^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86168377 is a prime.

It is not a weakly prime, because it can be changed into another prime (86168371) 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, 43084188 + 43084189.

It is an arithmetic number, because the mean of its divisors is an integer number (43084189).

Almost surely, 2^86168377 is an apocalyptic number.

It is an amenable number.

86168377 is a deficient number, since it is larger than the sum of its proper divisors (1).

86168377 is an equidigital number, since it uses as much as digits as its factorization.

86168377 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 338688, while the sum is 46.

The square root of 86168377 is about 9282.6923357397. The cubic root of 86168377 is about 441.6883770191.

The spelling of 86168377 in words is "eighty-six million, one hundred sixty-eight thousand, three hundred seventy-seven".