2780864478086 has 8 divisors (see below), whose sum is σ = 4172687622000. Its totient is φ = 1389968604088.

The previous prime is 2780864478079. The next prime is 2780864478103. The reversal of 2780864478086 is 6808744680872.

2780864478086 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 231809981 + ... + 231821976.

It is an arithmetic number, because the mean of its divisors is an integer number (521585952750).

Almost surely, 2^{2780864478086} is an apocalyptic number.

2780864478086 is a deficient number, since it is larger than the sum of its proper divisors (1391823143914).

2780864478086 is a wasteful number, since it uses less digits than its factorization.

2780864478086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 463634958.

The product of its (nonzero) digits is 231211008, while the sum is 68.

The spelling of 2780864478086 in words is "two trillion, seven hundred eighty billion, eight hundred sixty-four million, four hundred seventy-eight thousand, eighty-six".