86367947 has 2 divisors, whose sum is σ = 86367948. Its totient is φ = 86367946.

The previous prime is 86367943. The next prime is 86367949. The reversal of 86367947 is 74976368.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 86367947 - 2² = 86367943 is a prime.

Together with 86367949, 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 = 86367895 and 86367904.

It is not a weakly prime, because it can be changed into another prime (86367943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43183973 + 43183974.

It is an arithmetic number, because the mean of its divisors is an integer number (43183974).

Almost surely, 2^86367947 is an apocalyptic number.

86367947 is a deficient number, since it is larger than the sum of its proper divisors (1).

86367947 is an equidigital number, since it uses as much as digits as its factorization.

86367947 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1524096, while the sum is 50.

The square root of 86367947 is about 9293.4356940800. The cubic root of 86367947 is about 442.0291044354.

The spelling of 86367947 in words is "eighty-six million, three hundred sixty-seven thousand, nine hundred forty-seven".