2828878013780 has 96 divisors (see below), whose sum is σ = 7313492143104. Its totient is φ = 895056873984.

The previous prime is 2828878013779. The next prime is 2828878013783. The reversal of 2828878013780 is 873108788282.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2828878013783) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6754574 + ... + 7161146.

It is an arithmetic number, because the mean of its divisors is an integer number (76182209824).

Almost surely, 2^{2828878013780} is an apocalyptic number.

2828878013780 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 2828878013780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3656746071552).

2828878013780 is an abundant number, since it is smaller than the sum of its proper divisors (4484614129324).

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

2828878013780 is a wasteful number, since it uses less digits than its factorization.

2828878013780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410425 (or 410423 counting only the distinct ones).

The product of its (nonzero) digits is 19267584, while the sum is 62.

The spelling of 2828878013780 in words is "two trillion, eight hundred twenty-eight billion, eight hundred seventy-eight million, thirteen thousand, seven hundred eighty".