86342447 has 2 divisors, whose sum is σ = 86342448. Its totient is φ = 86342446.

The previous prime is 86342411. The next prime is 86342467. The reversal of 86342447 is 74424368.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 86342447 - 2⁶ = 86342383 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 86342447.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86342407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43171223 + 43171224.

It is an arithmetic number, because the mean of its divisors is an integer number (43171224).

Almost surely, 2^86342447 is an apocalyptic number.

86342447 is a deficient number, since it is larger than the sum of its proper divisors (1).

86342447 is an equidigital number, since it uses as much as digits as its factorization.

86342447 is an evil number, because the sum of its binary digits is even.

The product of its digits is 129024, while the sum is 38.

The square root of 86342447 is about 9292.0636566911. The cubic root of 86342447 is about 441.9855973549.

The spelling of 86342447 in words is "eighty-six million, three hundred forty-two thousand, four hundred forty-seven".