487099980 has 240 divisors, whose sum is σ = 1690476480. Its totient is φ = 116785152.

The previous prime is 487099969. The next prime is 487099999. The reversal of 487099980 is 89990784.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 633036 + ... + 633804.

It is an arithmetic number, because the mean of its divisors is an integer number (7043652).

Almost surely, 2^487099980 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 487099980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (845238240).

487099980 is an abundant number, since it is smaller than the sum of its proper divisors (1203376500).

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

487099980 is a wasteful number, since it uses less digits than its factorization.

487099980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 830 (or 819 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 54.

The square root of 487099980 is about 22070.3416375914. The cubic root of 487099980 is about 786.8151324530.

The spelling of 487099980 in words is "four hundred eighty-seven million, ninety-nine thousand, nine hundred eighty".