988688098504 has 16 divisors (see below), whose sum is σ = 1860387307020. Its totient is φ = 492584816640.

The previous prime is 988688098469. The next prime is 988688098507. The reversal of 988688098504 is 405890886889.

It can be written as a sum of positive squares in 2 ways, for example, as 956284498404 + 32403600100 = 977898^2 + 180010^2 .

It is a super-2 number, since 2×988688098504² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (988688098507) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 219901689 + ... + 219906184.

Almost surely, 2^988688098504 is an apocalyptic number.

It is an amenable number.

988688098504 is a deficient number, since it is larger than the sum of its proper divisors (871699208516).

988688098504 is a wasteful number, since it uses less digits than its factorization.

988688098504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439808160 (or 439808156 counting only the distinct ones).

The product of its (nonzero) digits is 318504960, while the sum is 73.

The spelling of 988688098504 in words is "nine hundred eighty-eight billion, six hundred eighty-eight million, ninety-eight thousand, five hundred four".