878744512258548 has 192 divisors, whose sum is σ = 2306866579218432. Its totient is φ = 258320471270400.

The previous prime is 878744512258439. The next prime is 878744512258549. The reversal of 878744512258548 is 845852215447878.

It is a Harshad number since it is a multiple of its sum of digits (78).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (878744512258549) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10740324936 + ... + 10740406752.

It is an arithmetic number, because the mean of its divisors is an integer number (12014930100096).

Almost surely, 2^{878744512258548} 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 878744512258548, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1153433289609216).

878744512258548 is an abundant number, since it is smaller than the sum of its proper divisors (1428122066959884).

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

878744512258548 is a wasteful number, since it uses less digits than its factorization.

878744512258548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85374 (or 85372 counting only the distinct ones).

The product of its digits is 6422528000, while the sum is 78.

The spelling of 878744512258548 in words is "eight hundred seventy-eight trillion, seven hundred forty-four billion, five hundred twelve million, two hundred fifty-eight thousand, five hundred forty-eight".