86860447 has 2 divisors, whose sum is σ = 86860448. Its totient is φ = 86860446.

The previous prime is 86860441. The next prime is 86860453. The reversal of 86860447 is 74406868.

It is a balanced prime because it is at equal distance from previous prime (86860441) and next prime (86860453).

It is a cyclic number.

It is not a de Polignac number, because 86860447 - 2³ = 86860439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86860441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43430223 + 43430224.

It is an arithmetic number, because the mean of its divisors is an integer number (43430224).

Almost surely, 2^86860447 is an apocalyptic number.

86860447 is a deficient number, since it is larger than the sum of its proper divisors (1).

86860447 is an equidigital number, since it uses as much as digits as its factorization.

86860447 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 258048, while the sum is 43.

The square root of 86860447 is about 9319.8952247329. The cubic root of 86860447 is about 442.8677135428.

The spelling of 86860447 in words is "eighty-six million, eight hundred sixty thousand, four hundred forty-seven".