8977780255 has 4 divisors (see below), whose sum is σ = 10773336312. Its totient is φ = 7182224200.

The previous prime is 8977780237. The next prime is 8977780319. The reversal of 8977780255 is 5520877798.

8977780255 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 8977780255 - 2¹⁵ = 8977747487 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8977780255.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 897778021 + ... + 897778030.

It is an arithmetic number, because the mean of its divisors is an integer number (2693334078).

Almost surely, 2^8977780255 is an apocalyptic number.

8977780255 is a deficient number, since it is larger than the sum of its proper divisors (1795556057).

8977780255 is a wasteful number, since it uses less digits than its factorization.

8977780255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1795556056.

The product of its (nonzero) digits is 9878400, while the sum is 58.

The square root of 8977780255 is about 94751.1490959345. The cubic root of 8977780255 is about 2078.3706000736.

The spelling of 8977780255 in words is "eight billion, nine hundred seventy-seven million, seven hundred eighty thousand, two hundred fifty-five".