987113255 has 4 divisors (see below), whose sum is σ = 1184535912. Its totient is φ = 789690600.

The previous prime is 987113249. The next prime is 987113293. The reversal of 987113255 is 552311789.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 987113255 - 2¹⁸ = 986851111 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 (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98711321 + ... + 98711330.

It is an arithmetic number, because the mean of its divisors is an integer number (296133978).

Almost surely, 2^987113255 is an apocalyptic number.

987113255 is a deficient number, since it is larger than the sum of its proper divisors (197422657).

987113255 is a wasteful number, since it uses less digits than its factorization.

987113255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197422656.

The product of its digits is 75600, while the sum is 41.

The square root of 987113255 is about 31418.3585662905. The cubic root of 987113255 is about 995.6858330621.

The spelling of 987113255 in words is "nine hundred eighty-seven million, one hundred thirteen thousand, two hundred fifty-five".