2799789066560 has 56 divisors (see below), whose sum is σ = 6667156481256. Its totient is φ = 1119888957440.

The previous prime is 2799789066511. The next prime is 2799789066577. The reversal of 2799789066560 is 656609879972.

It can be written as a sum of positive squares in 4 ways, for example, as 939860447296 + 1859928619264 = 969464^2 + 1363792^2 .

It is a super-2 number, since 2×2799789066560² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18585140 + ... + 18735180.

Almost surely, 2^{2799789066560} is an apocalyptic number.

2799789066560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2799789066560 is an abundant number, since it is smaller than the sum of its proper divisors (3867367414696).

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

2799789066560 is a wasteful number, since it uses less digits than its factorization.

2799789066560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208371 (or 208361 counting only the distinct ones).

The product of its (nonzero) digits is 617258880, while the sum is 74.

The spelling of 2799789066560 in words is "two trillion, seven hundred ninety-nine billion, seven hundred eighty-nine million, sixty-six thousand, five hundred sixty".