489777023 has 4 divisors (see below), whose sum is σ = 489825120. Its totient is φ = 489728928.

The previous prime is 489777007. The next prime is 489777047. The reversal of 489777023 is 320777984.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 489777023 - 2⁴ = 489777007 is a prime.

It is a super-3 number, since 3×489777023³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489777073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2090 + ... + 31367.

It is an arithmetic number, because the mean of its divisors is an integer number (122456280).

Almost surely, 2^489777023 is an apocalyptic number.

489777023 is a deficient number, since it is larger than the sum of its proper divisors (48097).

489777023 is a wasteful number, since it uses less digits than its factorization.

489777023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48096.

The product of its (nonzero) digits is 592704, while the sum is 47.

The square root of 489777023 is about 22130.9065110311. The cubic root of 489777023 is about 788.2539137031.

The spelling of 489777023 in words is "four hundred eighty-nine million, seven hundred seventy-seven thousand, twenty-three".