988785133 has 16 divisors (see below), whose sum is σ = 1141451136. Its totient is φ = 839016000.

The previous prime is 988785113. The next prime is 988785191. The reversal of 988785133 is 331587889.

It is a cyclic number.

It is not a de Polignac number, because 988785133 - 2⁵ = 988785101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (988785103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 302335 + ... + 305587.

It is an arithmetic number, because the mean of its divisors is an integer number (71340696).

Almost surely, 2^988785133 is an apocalyptic number.

It is an amenable number.

988785133 is a deficient number, since it is larger than the sum of its proper divisors (152666003).

988785133 is a wasteful number, since it uses less digits than its factorization.

988785133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3684.

The product of its digits is 1451520, while the sum is 52.

The square root of 988785133 is about 31444.9540149131. The cubic root of 988785133 is about 996.2476484692.

The spelling of 988785133 in words is "nine hundred eighty-eight million, seven hundred eighty-five thousand, one hundred thirty-three".