86427285 has 16 divisors (see below), whose sum is σ = 158038656. Its totient is φ = 39509568.

The previous prime is 86427251. The next prime is 86427311. The reversal of 86427285 is 58272468.

It is a happy number.

It is not a de Polignac number, because 86427285 - 2¹⁰ = 86426261 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 411454 + ... + 411663.

It is an arithmetic number, because the mean of its divisors is an integer number (9877416).

Almost surely, 2^86427285 is an apocalyptic number.

It is an amenable number.

86427285 is a deficient number, since it is larger than the sum of its proper divisors (71611371).

86427285 is a wasteful number, since it uses less digits than its factorization.

86427285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 823132.

The product of its digits is 215040, while the sum is 42.

The square root of 86427285 is about 9296.6276143556. The cubic root of 86427285 is about 442.1303114202.

The spelling of 86427285 in words is "eighty-six million, four hundred twenty-seven thousand, two hundred eighty-five".