13798085780 has 12 divisors (see below), whose sum is σ = 28975980180. Its totient is φ = 5519234304.

The previous prime is 13798085753. The next prime is 13798085789. The reversal of 13798085780 is 8758089731.

It can be written as a sum of positive squares in 2 ways, for example, as 10270200964 + 3527884816 = 101342^2 + 59396^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13798085789) 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, 344952125 + ... + 344952164.

It is an arithmetic number, because the mean of its divisors is an integer number (2414665015).

Almost surely, 2^13798085780 is an apocalyptic number.

13798085780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13798085780 is an abundant number, since it is smaller than the sum of its proper divisors (15177894400).

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

13798085780 is a wasteful number, since it uses less digits than its factorization.

13798085780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 689904298 (or 689904296 counting only the distinct ones).

The product of its (nonzero) digits is 3386880, while the sum is 56.

The spelling of 13798085780 in words is "thirteen billion, seven hundred ninety-eight million, eighty-five thousand, seven hundred eighty".