487900889 has 6 divisors (see below), whose sum is σ = 567558234. Its totient is φ = 418200720.

The previous prime is 487900877. The next prime is 487900921. The reversal of 487900889 is 988009784.

It can be written as a sum of positive squares in only one way, i.e., 487747225 + 153664 = 22085^2 + 392^2 .

It is not a de Polignac number, because 487900889 - 2⁴ = 487900873 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 487900889.

It is not an unprimeable number, because it can be changed into a prime (487900859) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4978532 + ... + 4978629.

It is an arithmetic number, because the mean of its divisors is an integer number (94593039).

Almost surely, 2^487900889 is an apocalyptic number.

487900889 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

It is an amenable number.

487900889 is a deficient number, since it is larger than the sum of its proper divisors (79657345).

487900889 is an equidigital number, since it uses as much as digits as its factorization.

487900889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9957175 (or 9957168 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 53.

The square root of 487900889 is about 22088.4786483814. The cubic root of 487900889 is about 787.2461338079.

The spelling of 487900889 in words is "four hundred eighty-seven million, nine hundred thousand, eight hundred eighty-nine".