86426817 has 8 divisors (see below), whose sum is σ = 116814624. Its totient is φ = 56828448.

The previous prime is 86426803. The next prime is 86426819. The reversal of 86426817 is 71862468.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 86426817 - 2¹⁰ = 86425793 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (86426819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 197103 + ... + 197540.

It is an arithmetic number, because the mean of its divisors is an integer number (14601828).

Almost surely, 2^86426817 is an apocalyptic number.

It is an amenable number.

86426817 is a deficient number, since it is larger than the sum of its proper divisors (30387807).

86426817 is a wasteful number, since it uses less digits than its factorization.

86426817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394719.

The product of its digits is 129024, while the sum is 42.

The square root of 86426817 is about 9296.6024439039. The cubic root of 86426817 is about 442.1295133799.

The spelling of 86426817 in words is "eighty-six million, four hundred twenty-six thousand, eight hundred seventeen".