5477318820 has 120 divisors (see below), whose sum is σ = 17247799800. Its totient is φ = 1455072768.

The previous prime is 5477318797. The next prime is 5477318837. The reversal of 5477318820 is 288137745.

5477318820 is a `hidden beast` number, since 547 + 7 + 3 + 1 + 88 + 20 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 857669796 + 4619649024 = 29286^2 + 67968^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 429496 + ... + 442064.

It is an arithmetic number, because the mean of its divisors is an integer number (143731665).

Almost surely, 2^5477318820 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5477318820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8623899900).

5477318820 is an abundant number, since it is smaller than the sum of its proper divisors (11770480980).

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

5477318820 is a wasteful number, since it uses less digits than its factorization.

5477318820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12859 (or 12848 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 45.

The square root of 5477318820 is about 74008.9104094906. The cubic root of 5477318820 is about 1762.7443862117.

The spelling of 5477318820 in words is "five billion, four hundred seventy-seven million, three hundred eighteen thousand, eight hundred twenty".