480642889 has 2 divisors, whose sum is σ = 480642890. Its totient is φ = 480642888.

The previous prime is 480642847. The next prime is 480642893. The reversal of 480642889 is 988246084.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 469805625 + 10837264 = 21675^2 + 3292^2 .

It is a cyclic number.

It is not a de Polignac number, because 480642889 - 2¹⁵ = 480610121 is a prime.

It is a super-3 number, since 3×480642889³ (a number of 27 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (480649889) 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 as a sum of consecutive naturals, namely, 240321444 + 240321445.

It is an arithmetic number, because the mean of its divisors is an integer number (240321445).

Almost surely, 2^480642889 is an apocalyptic number.

It is an amenable number.

480642889 is a deficient number, since it is larger than the sum of its proper divisors (1).

480642889 is an equidigital number, since it uses as much as digits as its factorization.

480642889 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 884736, while the sum is 49.

The square root of 480642889 is about 21923.5692577646. The cubic root of 480642889 is about 783.3229313643.

The spelling of 480642889 in words is "four hundred eighty million, six hundred forty-two thousand, eight hundred eighty-nine".