987818266 has 4 divisors (see below), whose sum is σ = 1481727402. Its totient is φ = 493909132.

The previous prime is 987818219. The next prime is 987818339. The reversal of 987818266 is 662818789.

987818266 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 662818789 = 113 ⋅5865653.

It can be written as a sum of positive squares in only one way, i.e., 944640225 + 43178041 = 30735^2 + 6571^2 .

It is a super-3 number, since 3×987818266³ (a number of 28 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 246954565 + ... + 246954568.

Almost surely, 2^987818266 is an apocalyptic number.

987818266 is a deficient number, since it is larger than the sum of its proper divisors (493909136).

987818266 is a wasteful number, since it uses less digits than its factorization.

987818266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493909135.

The product of its digits is 2322432, while the sum is 55.

The square root of 987818266 is about 31429.5762936760. The cubic root of 987818266 is about 995.9228212052.

The spelling of 987818266 in words is "nine hundred eighty-seven million, eight hundred eighteen thousand, two hundred sixty-six".