2780864478104 has 16 divisors (see below), whose sum is σ = 5299598289120. Its totient is φ = 1367638267680.

The previous prime is 2780864478103. The next prime is 2780864478109. The reversal of 2780864478104 is 4018744680872.

It is a happy number.

2780864478104 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2780864478103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2849245904 + ... + 2849246879.

It is an arithmetic number, because the mean of its divisors is an integer number (331224893070).

Almost surely, 2^{2780864478104} is an apocalyptic number.

It is an amenable number.

2780864478104 is a deficient number, since it is larger than the sum of its proper divisors (2518733811016).

2780864478104 is a wasteful number, since it uses less digits than its factorization.

2780864478104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5698492850 (or 5698492846 counting only the distinct ones).

The product of its (nonzero) digits is 19267584, while the sum is 59.

The spelling of 2780864478104 in words is "two trillion, seven hundred eighty billion, eight hundred sixty-four million, four hundred seventy-eight thousand, one hundred four".