86674849 has 2 divisors, whose sum is σ = 86674850. Its totient is φ = 86674848.

The previous prime is 86674829. The next prime is 86674873. The reversal of 86674849 is 94847668.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46580625 + 40094224 = 6825^2 + 6332^2 .

It is a cyclic number.

It is not a de Polignac number, because 86674849 - 2⁵ = 86674817 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 86674796 and 86674805.

It is not a weakly prime, because it can be changed into another prime (86674829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43337424 + 43337425.

It is an arithmetic number, because the mean of its divisors is an integer number (43337425).

Almost surely, 2^86674849 is an apocalyptic number.

It is an amenable number.

86674849 is a deficient number, since it is larger than the sum of its proper divisors (1).

86674849 is an equidigital number, since it uses as much as digits as its factorization.

86674849 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2322432, while the sum is 52.

The square root of 86674849 is about 9309.9328139359. The cubic root of 86674849 is about 442.5520578843.

The spelling of 86674849 in words is "eighty-six million, six hundred seventy-four thousand, eight hundred forty-nine".