485561847 has 4 divisors (see below), whose sum is σ = 647415800. Its totient is φ = 323707896.

The previous prime is 485561807. The next prime is 485561863. The reversal of 485561847 is 748165584.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 485561847 - 2¹¹ = 485559799 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 485561796 and 485561805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (485561807) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80926972 + ... + 80926977.

It is an arithmetic number, because the mean of its divisors is an integer number (161853950).

Almost surely, 2^485561847 is an apocalyptic number.

485561847 is a deficient number, since it is larger than the sum of its proper divisors (161853953).

485561847 is a wasteful number, since it uses less digits than its factorization.

485561847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161853952.

The product of its digits is 1075200, while the sum is 48.

The square root of 485561847 is about 22035.4679324039. The cubic root of 485561847 is about 785.9860744446.

It can be divided in two parts, 48556 and 1847, that added together give a triangular number (50403 = T₃₁₇).

The spelling of 485561847 in words is "four hundred eighty-five million, five hundred sixty-one thousand, eight hundred forty-seven".