487778484 has 24 divisors (see below), whose sum is σ = 1205100288. Its totient is φ = 153028480.

The previous prime is 487778479. The next prime is 487778491. The reversal of 487778484 is 484877784.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1195332 + ... + 1195739.

It is an arithmetic number, because the mean of its divisors is an integer number (50212512).

Almost surely, 2^487778484 is an apocalyptic number.

It is an amenable number.

487778484 is an abundant number, since it is smaller than the sum of its proper divisors (717321804).

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

487778484 is a wasteful number, since it uses less digits than its factorization.

487778484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2391095 (or 2391093 counting only the distinct ones).

The product of its digits is 11239424, while the sum is 57.

The square root of 487778484 is about 22085.7076861938. The cubic root of 487778484 is about 787.1802933029.

The spelling of 487778484 in words is "four hundred eighty-seven million, seven hundred seventy-eight thousand, four hundred eighty-four".