487773820 has 12 divisors (see below), whose sum is σ = 1024325064. Its totient is φ = 195109520.

The previous prime is 487773779. The next prime is 487773859. The reversal of 487773820 is 28377784.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12194326 + ... + 12194365.

It is an arithmetic number, because the mean of its divisors is an integer number (85360422).

Almost surely, 2^487773820 is an apocalyptic number.

It is an amenable number.

487773820 is an abundant number, since it is smaller than the sum of its proper divisors (536551244).

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

487773820 is a wasteful number, since it uses less digits than its factorization.

487773820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24388700 (or 24388698 counting only the distinct ones).

The product of its (nonzero) digits is 526848, while the sum is 46.

The square root of 487773820 is about 22085.6020972941. The cubic root of 487773820 is about 787.1777843631.

The spelling of 487773820 in words is "four hundred eighty-seven million, seven hundred seventy-three thousand, eight hundred twenty".