988427475 has 96 divisors (see below), whose sum is σ = 2114864640. Its totient is φ = 443214720.

The previous prime is 988427441. The next prime is 988427491. The reversal of 988427475 is 574724889.

It is a happy number.

988427475 is a `hidden beast` number, since 98 + 84 + 2 + 7 + 475 = 666.

It is not a de Polignac number, because 988427475 - 2¹⁰ = 988426451 is a prime.

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 95 ways as a sum of consecutive naturals, for example, 248452 + ... + 252398.

It is an arithmetic number, because the mean of its divisors is an integer number (22029840).

Almost surely, 2^988427475 is an apocalyptic number.

988427475 is an abundant number, since it is smaller than the sum of its proper divisors (1126437165).

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

988427475 is a wasteful number, since it uses less digits than its factorization.

988427475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4026 (or 4015 counting only the distinct ones).

The product of its digits is 4515840, while the sum is 54.

The square root of 988427475 is about 31439.2664513662. The cubic root of 988427475 is about 996.1275148831.

The spelling of 988427475 in words is "nine hundred eighty-eight million, four hundred twenty-seven thousand, four hundred seventy-five".