108218471 has 16 divisors (see below), whose sum is σ = 116269440. Its totient is φ = 100427040.

The previous prime is 108218443. The next prime is 108218477. The reversal of 108218471 is 174812801.

It is a cyclic number.

It is not a de Polignac number, because 108218471 - 2¹⁸ = 107956327 is a prime.

It is a super-3 number, since 3×108218471³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108218477) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 256841 + ... + 257261.

It is an arithmetic number, because the mean of its divisors is an integer number (7266840).

Almost surely, 2^108218471 is an apocalyptic number.

108218471 is a deficient number, since it is larger than the sum of its proper divisors (8050969).

108218471 is a wasteful number, since it uses less digits than its factorization.

108218471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 686.

The product of its (nonzero) digits is 3584, while the sum is 32.

The square root of 108218471 is about 10402.8107259529. The cubic root of 108218471 is about 476.5412114349.

The spelling of 108218471 in words is "one hundred eight million, two hundred eighteen thousand, four hundred seventy-one".