918489775 has 12 divisors (see below), whose sum is σ = 1301631472. Its totient is φ = 629821440.

The previous prime is 918489743. The next prime is 918489791. The reversal of 918489775 is 577984819.

It is not a de Polignac number, because 918489775 - 2⁵ = 918489743 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2624082 + ... + 2624431.

Almost surely, 2^918489775 is an apocalyptic number.

918489775 is a deficient number, since it is larger than the sum of its proper divisors (383141697).

918489775 is a wasteful number, since it uses less digits than its factorization.

918489775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5248530 (or 5248525 counting only the distinct ones).

The product of its digits is 5080320, while the sum is 58.

The square root of 918489775 is about 30306.5962292040. The cubic root of 918489775 is about 972.0563507074.

The spelling of 918489775 in words is "nine hundred eighteen million, four hundred eighty-nine thousand, seven hundred seventy-five".