987981114 has 16 divisors (see below), whose sum is σ = 2079960480. Its totient is φ = 311994000.

The previous prime is 987981101. The next prime is 987981131. The reversal of 987981114 is 411189789.

It is a super-2 number, since 2×987981114² = 1952213363241361992, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4333137 + ... + 4333364.

It is an arithmetic number, because the mean of its divisors is an integer number (129997530).

Almost surely, 2^987981114 is an apocalyptic number.

987981114 is an abundant number, since it is smaller than the sum of its proper divisors (1091979366).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

987981114 is a wasteful number, since it uses less digits than its factorization.

987981114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8666525.

The product of its digits is 145152, while the sum is 48.

The square root of 987981114 is about 31432.1668677169. The cubic root of 987981114 is about 995.9775462269.

It can be divided in two parts, 987 and 981114, that added together give a triangular number (982101 = T₁₄₀₁).

The spelling of 987981114 in words is "nine hundred eighty-seven million, nine hundred eighty-one thousand, one hundred fourteen".