987876685 has 8 divisors (see below), whose sum is σ = 1185820416. Its totient is φ = 790055760.

The previous prime is 987876649. The next prime is 987876689. The reversal of 987876685 is 586678789.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 987876685 - 2¹⁹ = 987352397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (987876689) by changing a digit.

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, 11961 + ... + 46030.

It is an arithmetic number, because the mean of its divisors is an integer number (148227552).

Almost surely, 2^987876685 is an apocalyptic number.

It is an amenable number.

987876685 is a deficient number, since it is larger than the sum of its proper divisors (197943731).

987876685 is a wasteful number, since it uses less digits than its factorization.

987876685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61403.

The product of its digits is 40642560, while the sum is 64.

The square root of 987876685 is about 31430.5056434032. The cubic root of 987876685 is about 995.9424535845.

The spelling of 987876685 in words is "nine hundred eighty-seven million, eight hundred seventy-six thousand, six hundred eighty-five".