986669880 has 96 divisors (see below), whose sum is σ = 3443297040. Its totient is φ = 225523200.

The previous prime is 986669869. The next prime is 986669881. The reversal of 986669880 is 88966689.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (986669881) 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 23 ways as a sum of consecutive naturals, for example, 78021 + ... + 89780.

Almost surely, 2^986669880 is an apocalyptic number.

It is an amenable number.

986669880 is an abundant number, since it is smaller than the sum of its proper divisors (2456627160).

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

986669880 is a wasteful number, since it uses less digits than its factorization.

986669880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167829 (or 167818 counting only the distinct ones).

The product of its (nonzero) digits is 8957952, while the sum is 60.

The square root of 986669880 is about 31411.3017877324. The cubic root of 986669880 is about 995.5367355745.

The spelling of 986669880 in words is "nine hundred eighty-six million, six hundred sixty-nine thousand, eight hundred eighty".