487479380 has 18 divisors (see below), whose sum is σ = 1023914094. Its totient is φ = 194952256.

The previous prime is 487479341. The next prime is 487479389. The reversal of 487479380 is 83974784.

It can be written as a sum of positive squares in 3 ways, for example, as 31315216 + 456164164 = 5596^2 + 21358^2 .

It is a super-2 number, since 2×487479380² = 475272291850368800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (487479389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 96272 + ... + 101208.

Almost surely, 2^487479380 is an apocalyptic number.

It is an amenable number.

487479380 is an abundant number, since it is smaller than the sum of its proper divisors (536434714).

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

487479380 is an frugal number, since it uses more digits than its factorization.

487479380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9883 (or 4944 counting only the distinct ones).

The product of its (nonzero) digits is 1354752, while the sum is 50.

The square root of 487479380 is about 22078.9352098329. The cubic root of 487479380 is about 787.0193617025.

The spelling of 487479380 in words is "four hundred eighty-seven million, four hundred seventy-nine thousand, three hundred eighty".