2160777005 has 8 divisors (see below), whose sum is σ = 2628452472. Its totient is φ = 1704941568.

The previous prime is 2160776999. The next prime is 2160777007. The reversal of 2160777005 is 5007770612.

It can be written as a sum of positive squares in 4 ways, for example, as 87067561 + 2073709444 = 9331^2 + 45538^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 2160777005 - 2¹⁸ = 2160514861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2160777007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2959604 + ... + 2960333.

It is an arithmetic number, because the mean of its divisors is an integer number (328556559).

Almost surely, 2^2160777005 is an apocalyptic number.

It is an amenable number.

2160777005 is a deficient number, since it is larger than the sum of its proper divisors (467675467).

2160777005 is an equidigital number, since it uses as much as digits as its factorization.

2160777005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5920015.

The product of its (nonzero) digits is 20580, while the sum is 35.

The square root of 2160777005 is about 46484.1586457150. The cubic root of 2160777005 is about 1292.8157960413.

The spelling of 2160777005 in words is "two billion, one hundred sixty million, seven hundred seventy-seven thousand, five".