487612818 has 144 divisors (see below), whose sum is σ = 1386413280. Its totient is φ = 126569520.

The previous prime is 487612813. The next prime is 487612823. The reversal of 487612818 is 818216784.

It is an interprime number because it is at equal distance from previous prime (487612813) and next prime (487612823).

It is a super-2 number, since 2×487612818² = 475532520555802248, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (487612813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 319405 + ... + 320927.

It is an arithmetic number, because the mean of its divisors is an integer number (9627870).

Almost surely, 2^487612818 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 487612818, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (693206640).

487612818 is an abundant number, since it is smaller than the sum of its proper divisors (898800462).

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

487612818 is a wasteful number, since it uses less digits than its factorization.

487612818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1570 (or 1546 counting only the distinct ones).

The product of its digits is 172032, while the sum is 45.

The square root of 487612818 is about 22081.9568426351. The cubic root of 487612818 is about 787.0911655661.

The spelling of 487612818 in words is "four hundred eighty-seven million, six hundred twelve thousand, eight hundred eighteen".