2780800128583 has 2 divisors, whose sum is σ = 2780800128584. Its totient is φ = 2780800128582.

The previous prime is 2780800128563. The next prime is 2780800128629. The reversal of 2780800128583 is 3858210080872.

2780800128583 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2780800128583 - 2⁵ = 2780800128551 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2780800128583.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2780800128523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1390400064291 + 1390400064292.

It is an arithmetic number, because the mean of its divisors is an integer number (1390400064292).

Almost surely, 2^{2780800128583} is an apocalyptic number.

2780800128583 is a deficient number, since it is larger than the sum of its proper divisors (1).

2780800128583 is an equidigital number, since it uses as much as digits as its factorization.

2780800128583 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1720320, while the sum is 52.

The spelling of 2780800128583 in words is "two trillion, seven hundred eighty billion, eight hundred million, one hundred twenty-eight thousand, five hundred eighty-three".