5805571780 has 12 divisors (see below), whose sum is σ = 12191700780. Its totient is φ = 2322228704.

The previous prime is 5805571777. The next prime is 5805571789. The reversal of 5805571780 is 871755085.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3273670656 + 2531901124 = 57216^2 + 50318^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 5805571780.

It is not an unprimeable number, because it can be changed into a prime (5805571789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 145139275 + ... + 145139314.

It is an arithmetic number, because the mean of its divisors is an integer number (1015975065).

Almost surely, 2^5805571780 is an apocalyptic number.

It is an amenable number.

5805571780 is an abundant number, since it is smaller than the sum of its proper divisors (6386129000).

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

5805571780 is a wasteful number, since it uses less digits than its factorization.

5805571780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290278598 (or 290278596 counting only the distinct ones).

The product of its (nonzero) digits is 392000, while the sum is 46.

The square root of 5805571780 is about 76194.3028053935. The cubic root of 5805571780 is about 1797.2769298965.

The spelling of 5805571780 in words is "five billion, eight hundred five million, five hundred seventy-one thousand, seven hundred eighty".