1080767780208 has 160 divisors (see below), whose sum is σ = 3121364505600. Its totient is φ = 358034874624.

The previous prime is 1080767780203. The next prime is 1080767780221. The reversal of 1080767780208 is 8020877670801.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1080767780203) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 83650773 + ... + 83663691.

It is an arithmetic number, because the mean of its divisors is an integer number (19508528160).

Almost surely, 2^{1080767780208} is an apocalyptic number.

1080767780208 is a gapful number since it is divisible by the number (18) 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 1080767780208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1560682252800).

1080767780208 is an abundant number, since it is smaller than the sum of its proper divisors (2040596725392).

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

1080767780208 is a wasteful number, since it uses less digits than its factorization.

1080767780208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14116 (or 14104 counting only the distinct ones).

The product of its (nonzero) digits is 2107392, while the sum is 54.

The spelling of 1080767780208 in words is "one trillion, eighty billion, seven hundred sixty-seven million, seven hundred eighty thousand, two hundred eight".