2080772881278 has 128 divisors (see below), whose sum is σ = 5162630473728. Its totient is φ = 544422587904.

The previous prime is 2080772881259. The next prime is 2080772881279. The reversal of 2080772881278 is 8721882770802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2080772881279) 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, 55443376 + ... + 55480892.

It is an arithmetic number, because the mean of its divisors is an integer number (40333050576).

Almost surely, 2^{2080772881278} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2080772881278, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2581315236864).

2080772881278 is an abundant number, since it is smaller than the sum of its proper divisors (3081857592450).

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

2080772881278 is a wasteful number, since it uses less digits than its factorization.

2080772881278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38346.

The product of its (nonzero) digits is 11239424, while the sum is 60.

The spelling of 2080772881278 in words is "two trillion, eighty billion, seven hundred seventy-two million, eight hundred eighty-one thousand, two hundred seventy-eight".