2878818258960 has 660 divisors, whose sum is σ = 11679915666348. Its totient is φ = 657962694144.

The previous prime is 2878818258923. The next prime is 2878818258961. The reversal of 2878818258960 is 698528188782.

2878818258960 is a `hidden beast` number, since 28 + 7 + 8 + 8 + 18 + 2 + 589 + 6 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 472249337616 + 2406568921344 = 687204^2 + 1551312^2 .

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2878818258961) by changing a digit.

It is a polite number, since it can be written in 131 ways as a sum of consecutive naturals, for example, 231465862 + ... + 231478298.

Almost surely, 2^{2878818258960} is an apocalyptic number.

2878818258960 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2878818258960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5839957833174).

2878818258960 is an abundant number, since it is smaller than the sum of its proper divisors (8801097407388).

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

2878818258960 is an equidigital number, since it uses as much as digits as its factorization.

2878818258960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12494 (or 12454 counting only the distinct ones).

The product of its (nonzero) digits is 247726080, while the sum is 72.

The spelling of 2878818258960 in words is "two trillion, eight hundred seventy-eight billion, eight hundred eighteen million, two hundred fifty-eight thousand, nine hundred sixty".