86678131279 has 2 divisors, whose sum is σ = 86678131280. Its totient is φ = 86678131278.

The previous prime is 86678131261. The next prime is 86678131307. The reversal of 86678131279 is 97213187668.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 86678131279 - 2⁵ = 86678131247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86678131249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43339065639 + 43339065640.

It is an arithmetic number, because the mean of its divisors is an integer number (43339065640).

Almost surely, 2^86678131279 is an apocalyptic number.

86678131279 is a deficient number, since it is larger than the sum of its proper divisors (1).

86678131279 is an equidigital number, since it uses as much as digits as its factorization.

86678131279 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6096384, while the sum is 58.

The spelling of 86678131279 in words is "eighty-six billion, six hundred seventy-eight million, one hundred thirty-one thousand, two hundred seventy-nine".