987420611 has 4 divisors (see below), whose sum is σ = 987595224. Its totient is φ = 987246000.

The previous prime is 987420601. The next prime is 987420619. The reversal of 987420611 is 116024789.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 116024789 = 2837 ⋅40897.

It is a cyclic number.

It is not a de Polignac number, because 987420611 - 2¹⁸ = 987158467 is a prime.

It is a super-2 number, since 2×987420611² = 1949998926055226642, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (987420619) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 78530 + ... + 90231.

It is an arithmetic number, because the mean of its divisors is an integer number (246898806).

Almost surely, 2^987420611 is an apocalyptic number.

987420611 is a deficient number, since it is larger than the sum of its proper divisors (174613).

987420611 is a wasteful number, since it uses less digits than its factorization.

987420611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174612.

The product of its (nonzero) digits is 24192, while the sum is 38.

The square root of 987420611 is about 31423.2495296079. The cubic root of 987420611 is about 995.7891640818.

The spelling of 987420611 in words is "nine hundred eighty-seven million, four hundred twenty thousand, six hundred eleven".