86678135279 has 2 divisors, whose sum is σ = 86678135280. Its totient is φ = 86678135278.

The previous prime is 86678135267. The next prime is 86678135287. The reversal of 86678135279 is 97253187668.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 86678135279 - 2⁸ = 86678135023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86678131279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43339067639 + 43339067640.

It is an arithmetic number, because the mean of its divisors is an integer number (43339067640).

Almost surely, 2^86678135279 is an apocalyptic number.

86678135279 is a deficient number, since it is larger than the sum of its proper divisors (1).

86678135279 is an equidigital number, since it uses as much as digits as its factorization.

86678135279 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30481920, while the sum is 62.

The spelling of 86678135279 in words is "eighty-six billion, six hundred seventy-eight million, one hundred thirty-five thousand, two hundred seventy-nine".