987284611 has 4 divisors (see below), whose sum is σ = 989771872. Its totient is φ = 984797352.

The previous prime is 987284603. The next prime is 987284629. The reversal of 987284611 is 116482789.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 116482789 = 3989 ⋅29201.

It is a cyclic number.

It is not a de Polignac number, because 987284611 - 2³ = 987284603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (987284651) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1243035 + ... + 1243828.

It is an arithmetic number, because the mean of its divisors is an integer number (247442968).

Almost surely, 2^987284611 is an apocalyptic number.

987284611 is a deficient number, since it is larger than the sum of its proper divisors (2487261).

987284611 is a wasteful number, since it uses less digits than its factorization.

987284611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2487260.

The product of its digits is 193536, while the sum is 46.

The square root of 987284611 is about 31421.0854522882. The cubic root of 987284611 is about 995.7434444419.

The spelling of 987284611 in words is "nine hundred eighty-seven million, two hundred eighty-four thousand, six hundred eleven".