86285478 has 16 divisors (see below), whose sum is σ = 172872000. Its totient is φ = 28711656.

The previous prime is 86285447. The next prime is 86285483. The reversal of 86285478 is 87458268.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8728 + ... + 15771.

It is an arithmetic number, because the mean of its divisors is an integer number (10804500).

Almost surely, 2^86285478 is an apocalyptic number.

86285478 is an abundant number, since it is smaller than the sum of its proper divisors (86586522).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

86285478 is a wasteful number, since it uses less digits than its factorization.

86285478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25091.

The product of its digits is 860160, while the sum is 48.

The square root of 86285478 is about 9288.9976854341. The cubic root of 86285478 is about 441.8883681695. Note that the first 3 decimals are identical.

The spelling of 86285478 in words is "eighty-six million, two hundred eighty-five thousand, four hundred seventy-eight".