86198377 has 2 divisors, whose sum is σ = 86198378. Its totient is φ = 86198376.

The previous prime is 86198341. The next prime is 86198417. The reversal of 86198377 is 77389168.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 59043856 + 27154521 = 7684^2 + 5211^2 .

It is a cyclic number.

It is not a de Polignac number, because 86198377 - 2¹⁵ = 86165609 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 86198377.

It is not a weakly prime, because it can be changed into another prime (86198317) 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, 43099188 + 43099189.

It is an arithmetic number, because the mean of its divisors is an integer number (43099189).

Almost surely, 2^86198377 is an apocalyptic number.

It is an amenable number.

86198377 is a deficient number, since it is larger than the sum of its proper divisors (1).

86198377 is an equidigital number, since it uses as much as digits as its factorization.

86198377 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 508032, while the sum is 49.

The square root of 86198377 is about 9284.3081056156. The cubic root of 86198377 is about 441.7396298271.

The spelling of 86198377 in words is "eighty-six million, one hundred ninety-eight thousand, three hundred seventy-seven".