86340979 has 2 divisors, whose sum is σ = 86340980. Its totient is φ = 86340978.

The previous prime is 86340953. The next prime is 86341001. The reversal of 86340979 is 97904368.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 86340979 - 2⁷ = 86340851 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (86340929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43170489 + 43170490.

It is an arithmetic number, because the mean of its divisors is an integer number (43170490).

Almost surely, 2^86340979 is an apocalyptic number.

86340979 is a deficient number, since it is larger than the sum of its proper divisors (1).

86340979 is an equidigital number, since it uses as much as digits as its factorization.

86340979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 326592, while the sum is 46.

The square root of 86340979 is about 9291.9846642146. The cubic root of 86340979 is about 441.9830924513.

The spelling of 86340979 in words is "eighty-six million, three hundred forty thousand, nine hundred seventy-nine".