86858047 has 2 divisors, whose sum is σ = 86858048. Its totient is φ = 86858046.

The previous prime is 86858039. The next prime is 86858111. The reversal of 86858047 is 74085868.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 86858047 - 2³ = 86858039 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 86857988 and 86858006.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86858017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43429023 + 43429024.

It is an arithmetic number, because the mean of its divisors is an integer number (43429024).

Almost surely, 2^86858047 is an apocalyptic number.

86858047 is a deficient number, since it is larger than the sum of its proper divisors (1).

86858047 is an equidigital number, since it uses as much as digits as its factorization.

86858047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 430080, while the sum is 46.

The square root of 86858047 is about 9319.7664670312. The cubic root of 86858047 is about 442.8636346157.

The spelling of 86858047 in words is "eighty-six million, eight hundred fifty-eight thousand, forty-seven".