988724307828 has 12 divisors (see below), whose sum is σ = 2307023384960. Its totient is φ = 329574769272.

The previous prime is 988724307811. The next prime is 988724307829. The reversal of 988724307828 is 828703427889.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (988724307829) 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, 41196846148 + ... + 41196846171.

Almost surely, 2^988724307828 is an apocalyptic number.

It is an amenable number.

988724307828 is an abundant number, since it is smaller than the sum of its proper divisors (1318299077132).

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

988724307828 is a wasteful number, since it uses less digits than its factorization.

988724307828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82393692326 (or 82393692324 counting only the distinct ones).

The product of its (nonzero) digits is 86704128, while the sum is 66.

The spelling of 988724307828 in words is "nine hundred eighty-eight billion, seven hundred twenty-four million, three hundred seven thousand, eight hundred twenty-eight".