86102279 has 2 divisors, whose sum is σ = 86102280. Its totient is φ = 86102278.

The previous prime is 86102267. The next prime is 86102323. The reversal of 86102279 is 97220168.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 86102279 - 2²⁴ = 69325063 is a prime.

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 (86102879) 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, 43051139 + 43051140.

It is an arithmetic number, because the mean of its divisors is an integer number (43051140).

Almost surely, 2^86102279 is an apocalyptic number.

86102279 is a deficient number, since it is larger than the sum of its proper divisors (1).

86102279 is an equidigital number, since it uses as much as digits as its factorization.

86102279 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 86102279 is about 9279.1313709851. The cubic root of 86102279 is about 441.5754114222.

The spelling of 86102279 in words is "eighty-six million, one hundred two thousand, two hundred seventy-nine".