489706277827 has 18 divisors (see below), whose sum is σ = 542671714332. Its totient is φ = 441470300544.

The previous prime is 489706277729. The next prime is 489706277839. The reversal of 489706277827 is 728772607984.

It is not a de Polignac number, because 489706277827 - 2¹⁵ = 489706245059 is a prime.

It is a super-3 number, since 3×489706277827³ (a number of 36 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (489706277857) 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 17 ways as a sum of consecutive naturals, for example, 59650699 + ... + 59658907.

It is an arithmetic number, because the mean of its divisors is an integer number (30148428574).

Almost surely, 2^489706277827 is an apocalyptic number.

489706277827 is a deficient number, since it is larger than the sum of its proper divisors (52965436505).

489706277827 is an frugal number, since it uses more digits than its factorization.

489706277827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16487 (or 8265 counting only the distinct ones).

The product of its (nonzero) digits is 132765696, while the sum is 67.

The spelling of 489706277827 in words is "four hundred eighty-nine billion, seven hundred six million, two hundred seventy-seven thousand, eight hundred twenty-seven".