988131276 has 72 divisors (see below), whose sum is σ = 2765590464. Its totient is φ = 294956640.

The previous prime is 988131259. The next prime is 988131299. The reversal of 988131276 is 672131889.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 7911 + ... + 45153.

Almost surely, 2^988131276 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 988131276, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1382795232).

988131276 is an abundant number, since it is smaller than the sum of its proper divisors (1777459188).

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

988131276 is a wasteful number, since it uses less digits than its factorization.

988131276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37331 (or 37326 counting only the distinct ones).

The product of its digits is 145152, while the sum is 45.

The square root of 988131276 is about 31434.5554446059. Note that the first 3 decimals coincide. The cubic root of 988131276 is about 996.0280027933.

The spelling of 988131276 in words is "nine hundred eighty-eight million, one hundred thirty-one thousand, two hundred seventy-six".