4978730928248 has 128 divisors (see below), whose sum is σ = 11673051264000. Its totient is φ = 1934029777920.

The previous prime is 4978730928239. The next prime is 4978730928293. The reversal of 4978730928248 is 8428290378794.

It is a Cunningham number, because it is equal to 2231307²-1.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 343614188 + ... + 343628676.

It is an arithmetic number, because the mean of its divisors is an integer number (91195713000).

Almost surely, 2^{4978730928248} 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 4978730928248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5836525632000).

4978730928248 is an abundant number, since it is smaller than the sum of its proper divisors (6694320335752).

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

4978730928248 is a wasteful number, since it uses less digits than its factorization.

4978730928248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16125 (or 16121 counting only the distinct ones).

The product of its (nonzero) digits is 390168576, while the sum is 71.

The spelling of 4978730928248 in words is "four trillion, nine hundred seventy-eight billion, seven hundred thirty million, nine hundred twenty-eight thousand, two hundred forty-eight".