8078255805 has 16 divisors (see below), whose sum is σ = 13370906880. Its totient is φ = 4159837248.

The previous prime is 8078255767. The next prime is 8078255819. The reversal of 8078255805 is 5085528708.

It is a happy number.

It is not a de Polignac number, because 8078255805 - 2⁶ = 8078255741 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9284917 + ... + 9285786.

It is an arithmetic number, because the mean of its divisors is an integer number (835681680).

Almost surely, 2^8078255805 is an apocalyptic number.

It is an amenable number.

8078255805 is a deficient number, since it is larger than the sum of its proper divisors (5292651075).

8078255805 is a wasteful number, since it uses less digits than its factorization.

8078255805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18570740.

The product of its (nonzero) digits is 896000, while the sum is 48.

The square root of 8078255805 is about 89879.1177359903. The cubic root of 8078255805 is about 2006.5001681035.

The spelling of 8078255805 in words is "eight billion, seventy-eight million, two hundred fifty-five thousand, eight hundred five".