988051978944 has 84 divisors (see below), whose sum is σ = 2832652795440. Its totient is φ = 329283187200.

The previous prime is 988051978937. The next prime is 988051978951. The reversal of 988051978944 is 449879150889.

It is an interprime number because it is at equal distance from previous prime (988051978937) and next prime (988051978951).

It is a Harshad number since it is a multiple of its sum of digits (72).

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 11 ways as a sum of consecutive naturals, for example, 2678542 + ... + 3025010.

Almost surely, 2^988051978944 is an apocalyptic number.

It is an amenable number.

988051978944 is an abundant number, since it is smaller than the sum of its proper divisors (1844600816496).

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

988051978944 is a wasteful number, since it uses less digits than its factorization.

988051978944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351438 (or 351425 counting only the distinct ones).

The product of its (nonzero) digits is 209018880, while the sum is 72.

The spelling of 988051978944 in words is "nine hundred eighty-eight billion, fifty-one million, nine hundred seventy-eight thousand, nine hundred forty-four".