2774877945 has 16 divisors (see below), whose sum is σ = 5074062720. Its totient is φ = 1268515584.

The previous prime is 2774877943. The next prime is 2774877953. The reversal of 2774877945 is 5497784772.

It is not a de Polignac number, because 2774877945 - 2¹ = 2774877943 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2774877943) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 13213600 + ... + 13213809.

It is an arithmetic number, because the mean of its divisors is an integer number (317128920).

Almost surely, 2^2774877945 is an apocalyptic number.

It is an amenable number.

2774877945 is a deficient number, since it is larger than the sum of its proper divisors (2299184775).

2774877945 is a wasteful number, since it uses less digits than its factorization.

2774877945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26427424.

The product of its digits is 27659520, while the sum is 60.

The square root of 2774877945 is about 52677.1102567330. The cubic root of 2774877945 is about 1405.2317757809.

The spelling of 2774877945 in words is "two billion, seven hundred seventy-four million, eight hundred seventy-seven thousand, nine hundred forty-five".