5473178820 has 36 divisors (see below), whose sum is σ = 16601976300. Its totient is φ = 1459514304.

The previous prime is 5473178819. The next prime is 5473178827. The reversal of 5473178820 is 288713745.

5473178820 is a `hidden beast` number, since 5 + 473 + 178 + 8 + 2 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1389201984 + 4083976836 = 37272^2 + 63906^2 .

It is a tau number, because it is divible by the number of its divisors (36).

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

It is not an unprimeable number, because it can be changed into a prime (5473178827) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 15203095 + ... + 15203454.

Almost surely, 2^5473178820 is an apocalyptic number.

It is an amenable number.

5473178820 is an abundant number, since it is smaller than the sum of its proper divisors (11128797480).

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

5473178820 is a wasteful number, since it uses less digits than its factorization.

5473178820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30406564 (or 30406559 counting only the distinct ones).

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

The square root of 5473178820 is about 73980.9355171993. The cubic root of 5473178820 is about 1762.3001541931.

The spelling of 5473178820 in words is "five billion, four hundred seventy-three million, one hundred seventy-eight thousand, eight hundred twenty".