561727783300 has 72 divisors (see below), whose sum is σ = 1272109954752. Its totient is φ = 214894416000.

The previous prime is 561727783291. The next prime is 561727783343. The reversal of 561727783300 is 3387727165.

It is a super-2 number, since 2×561727783300² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34793230 + ... + 34809370.

It is an arithmetic number, because the mean of its divisors is an integer number (17668193816).

Almost surely, 2^561727783300 is an apocalyptic number.

561727783300 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

561727783300 is an abundant number, since it is smaller than the sum of its proper divisors (710382171452).

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

561727783300 is a wasteful number, since it uses less digits than its factorization.

561727783300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31309 (or 31302 counting only the distinct ones).

The product of its (nonzero) digits is 1481760, while the sum is 49.

The spelling of 561727783300 in words is "five hundred sixty-one billion, seven hundred twenty-seven million, seven hundred eighty-three thousand, three hundred".