470547728821 has 8 divisors (see below), whose sum is σ = 470843656920. Its totient is φ = 470251895808.

The previous prime is 470547728813. The next prime is 470547728843. The reversal of 470547728821 is 128827745074.

It can be written as a sum of positive squares in 4 ways, for example, as 27185796 + 470520543025 = 5214^2 + 685945^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 470547728821 - 2³ = 470547728813 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (470547728921) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11589885 + ... + 11630413.

It is an arithmetic number, because the mean of its divisors is an integer number (58855457115).

Almost surely, 2^470547728821 is an apocalyptic number.

It is an amenable number.

470547728821 is a deficient number, since it is larger than the sum of its proper divisors (295928099).

470547728821 is a wasteful number, since it uses less digits than its factorization.

470547728821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47543.

The product of its (nonzero) digits is 7024640, while the sum is 55.

The spelling of 470547728821 in words is "four hundred seventy billion, five hundred forty-seven million, seven hundred twenty-eight thousand, eight hundred twenty-one".