86377199 has 2 divisors, whose sum is σ = 86377200. Its totient is φ = 86377198.

The previous prime is 86377189. The next prime is 86377219. The reversal of 86377199 is 99177368.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 86377199 - 2⁴ = 86377183 is a prime.

It is a super-3 number, since 3×86377199³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86377169) 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, 43188599 + 43188600.

It is an arithmetic number, because the mean of its divisors is an integer number (43188600).

Almost surely, 2^86377199 is an apocalyptic number.

86377199 is a deficient number, since it is larger than the sum of its proper divisors (1).

86377199 is an equidigital number, since it uses as much as digits as its factorization.

86377199 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 571536, while the sum is 50.

The square root of 86377199 is about 9293.9334514510. The cubic root of 86377199 is about 442.0448877107.

The spelling of 86377199 in words is "eighty-six million, three hundred seventy-seven thousand, one hundred ninety-nine".