86908478 has 8 divisors (see below), whose sum is σ = 130402272. Its totient is φ = 43441056.

The previous prime is 86908441. The next prime is 86908487. The reversal of 86908478 is 87480968.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9851 + ... + 16457.

It is an arithmetic number, because the mean of its divisors is an integer number (16300284).

Almost surely, 2^86908478 is an apocalyptic number.

86908478 is a deficient number, since it is larger than the sum of its proper divisors (43493794).

86908478 is a wasteful number, since it uses less digits than its factorization.

86908478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13186.

The product of its (nonzero) digits is 774144, while the sum is 50.

The square root of 86908478 is about 9322.4716679645. The cubic root of 86908478 is about 442.9493289781.

The spelling of 86908478 in words is "eighty-six million, nine hundred eight thousand, four hundred seventy-eight".