2776763949 has 16 divisors (see below), whose sum is σ = 4031601600. Its totient is φ = 1693270656.

The previous prime is 2776763947. The next prime is 2776763959. The reversal of 2776763949 is 9493676772.

It is not a de Polignac number, because 2776763949 - 2¹ = 2776763947 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2776763892 and 2776763901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2776763947) by changing a digit.

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, 838264 + ... + 841569.

It is an arithmetic number, because the mean of its divisors is an integer number (251975100).

Almost surely, 2^2776763949 is an apocalyptic number.

2776763949 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

2776763949 is a deficient number, since it is larger than the sum of its proper divisors (1254837651).

2776763949 is a wasteful number, since it uses less digits than its factorization.

2776763949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1679884.

The product of its digits is 24004512, while the sum is 60.

The square root of 2776763949 is about 52695.0087674345. The cubic root of 2776763949 is about 1405.5500687643.

It can be divided in two parts, 277676 and 3949, that added together give a triangular number (281625 = T₇₅₀).

The spelling of 2776763949 in words is "two billion, seven hundred seventy-six million, seven hundred sixty-three thousand, nine hundred forty-nine".