86709347 has 2 divisors, whose sum is σ = 86709348. Its totient is φ = 86709346.

The previous prime is 86709283. The next prime is 86709349. The reversal of 86709347 is 74390768.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 86709347 - 2⁶ = 86709283 is a prime.

Together with 86709349, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 86709298 and 86709307.

It is not a weakly prime, because it can be changed into another prime (86709349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43354673 + 43354674.

It is an arithmetic number, because the mean of its divisors is an integer number (43354674).

Almost surely, 2^86709347 is an apocalyptic number.

86709347 is a deficient number, since it is larger than the sum of its proper divisors (1).

86709347 is an equidigital number, since it uses as much as digits as its factorization.

86709347 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 254016, while the sum is 44.

The square root of 86709347 is about 9311.7853819770. The cubic root of 86709347 is about 442.6107644025.

The spelling of 86709347 in words is "eighty-six million, seven hundred nine thousand, three hundred forty-seven".