108085780 has 24 divisors (see below), whose sum is σ = 247615200. Its totient is φ = 39303840.

The previous prime is 108085777. The next prime is 108085781. The reversal of 108085780 is 87580801.

It is a super-4 number, since 4×108085780⁴ (a number of 33 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108085781) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 245430 + ... + 245869.

It is an arithmetic number, because the mean of its divisors is an integer number (10317300).

Almost surely, 2^108085780 is an apocalyptic number.

108085780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

108085780 is an abundant number, since it is smaller than the sum of its proper divisors (139529420).

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

108085780 is a wasteful number, since it uses less digits than its factorization.

108085780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 491319 (or 491317 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 37.

The square root of 108085780 is about 10396.4311184175. The cubic root of 108085780 is about 476.3463630233.

The spelling of 108085780 in words is "one hundred eight million, eighty-five thousand, seven hundred eighty".