108861582 has 8 divisors (see below), whose sum is σ = 217723176. Its totient is φ = 36287192.

The previous prime is 108861581. The next prime is 108861587. The reversal of 108861582 is 285168801.

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

108861582 is an admirable number.

It is a super-3 number, since 3×108861582³ (a number of 25 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 108861582.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108861581) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9071793 + ... + 9071804.

It is an arithmetic number, because the mean of its divisors is an integer number (27215397).

Almost surely, 2^108861582 is an apocalyptic number.

108861582 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

108861582 is a wasteful number, since it uses less digits than its factorization.

108861582 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18143602.

The product of its (nonzero) digits is 30720, while the sum is 39.

The square root of 108861582 is about 10433.6753831045. The cubic root of 108861582 is about 477.4833297361.

The spelling of 108861582 in words is "one hundred eight million, eight hundred sixty-one thousand, five hundred eighty-two".