1083865080 has 128 divisors (see below), whose sum is σ = 3323358720. Its totient is φ = 282708480.

The previous prime is 1083865067. The next prime is 1083865093. The reversal of 1083865080 is 805683801.

It is a happy number.

1083865080 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (1083865067) and next prime (1083865093).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1924879 + ... + 1925441.

It is an arithmetic number, because the mean of its divisors is an integer number (25963740).

Almost surely, 2^1083865080 is an apocalyptic number.

1083865080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1083865080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1661679360).

1083865080 is an abundant number, since it is smaller than the sum of its proper divisors (2239493640).

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

1083865080 is a wasteful number, since it uses less digits than its factorization.

1083865080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 901 (or 897 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 39.

The square root of 1083865080 is about 32922.1062509676. The cubic root of 1083865080 is about 1027.2080356341.

The spelling of 1083865080 in words is "one billion, eighty-three million, eight hundred sixty-five thousand, eighty".