988799685 has 8 divisors (see below), whose sum is σ = 1582079520. Its totient is φ = 527359824.

The previous prime is 988799683. The next prime is 988799711. The reversal of 988799685 is 586997889.

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

It is not a de Polignac number, because 988799685 - 2¹ = 988799683 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (988799681) 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 7 ways as a sum of consecutive naturals, for example, 32959975 + ... + 32960004.

It is an arithmetic number, because the mean of its divisors is an integer number (197759940).

Almost surely, 2^988799685 is an apocalyptic number.

It is an amenable number.

988799685 is a deficient number, since it is larger than the sum of its proper divisors (593279835).

988799685 is a wasteful number, since it uses less digits than its factorization.

988799685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65919987.

The product of its digits is 78382080, while the sum is 69.

The square root of 988799685 is about 31445.1854025382. The cubic root of 988799685 is about 996.2525357206.

The spelling of 988799685 in words is "nine hundred eighty-eight million, seven hundred ninety-nine thousand, six hundred eighty-five".