108781485 has 16 divisors (see below), whose sum is σ = 174203136. Its totient is φ = 57965888.

The previous prime is 108781481. The next prime is 108781489. The reversal of 108781485 is 584187801.

It is an interprime number because it is at equal distance from previous prime (108781481) and next prime (108781489).

It is a cyclic number.

It is not a de Polignac number, because 108781485 - 2² = 108781481 is a prime.

It is a super-2 number, since 2×108781485² = 23666822957610450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108781481) 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, 19867 + ... + 24743.

It is an arithmetic number, because the mean of its divisors is an integer number (10887696).

Almost surely, 2^108781485 is an apocalyptic number.

108781485 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

108781485 is a deficient number, since it is larger than the sum of its proper divisors (65421651).

108781485 is a wasteful number, since it uses less digits than its factorization.

108781485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6372.

The product of its (nonzero) digits is 71680, while the sum is 42.

The square root of 108781485 is about 10429.8362882645. The cubic root of 108781485 is about 477.3661951596.

The spelling of 108781485 in words is "one hundred eight million, seven hundred eighty-one thousand, four hundred eighty-five".