86478208 has 16 divisors (see below), whose sum is σ = 172281060. Its totient is φ = 43239040.

The previous prime is 86478199. The next prime is 86478221. The reversal of 86478208 is 80287468.

It is a tau number, because it is divible by the number of its divisors (16).

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 337678 + ... + 337933.

Almost surely, 2^86478208 is an apocalyptic number.

It is an amenable number.

86478208 is a deficient number, since it is larger than the sum of its proper divisors (85802852).

86478208 is an equidigital number, since it uses as much as digits as its factorization.

86478208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 675625 (or 675613 counting only the distinct ones).

The product of its (nonzero) digits is 172032, while the sum is 43.

The square root of 86478208 is about 9299.3659998948. The cubic root of 86478208 is about 442.2171288391.

The spelling of 86478208 in words is "eighty-six million, four hundred seventy-eight thousand, two hundred eight".