2772480805 has 16 divisors (see below), whose sum is σ = 3415035888. Its totient is φ = 2160000000.

The previous prime is 2772480761. The next prime is 2772480811. The reversal of 2772480805 is 5080842772.

It can be written as a sum of positive squares in 8 ways, for example, as 257057089 + 2515423716 = 16033^2 + 50154^2 .

It is not a de Polignac number, because 2772480805 - 2⁷ = 2772480677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14196 + ... + 75805.

It is an arithmetic number, because the mean of its divisors is an integer number (213439743).

Almost surely, 2^2772480805 is an apocalyptic number.

It is an amenable number.

2772480805 is a deficient number, since it is larger than the sum of its proper divisors (642555083).

2772480805 is a wasteful number, since it uses less digits than its factorization.

2772480805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90168.

The product of its (nonzero) digits is 250880, while the sum is 43.

The square root of 2772480805 is about 52654.3521942868. The cubic root of 2772480805 is about 1404.8270123010.

The spelling of 2772480805 in words is "two billion, seven hundred seventy-two million, four hundred eighty thousand, eight hundred five".