2766379761 has 12 divisors (see below), whose sum is σ = 4025050692. Its totient is φ = 1830790656.

The previous prime is 2766379753. The next prime is 2766379813. The reversal of 2766379761 is 1679736672.

It can be written as a sum of positive squares in 2 ways, for example, as 1139467536 + 1626912225 = 33756^2 + 40335^2 .

It is not a de Polignac number, because 2766379761 - 2³ = 2766379753 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2766379698 and 2766379707.

It is not an unprimeable number, because it can be changed into a prime (2766379751) 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 11 ways as a sum of consecutive naturals, for example, 1120576 + ... + 1123041.

It is an arithmetic number, because the mean of its divisors is an integer number (335420891).

Almost surely, 2^2766379761 is an apocalyptic number.

It is an amenable number.

2766379761 is a deficient number, since it is larger than the sum of its proper divisors (1258670931).

2766379761 is a wasteful number, since it uses less digits than its factorization.

2766379761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2243760 (or 2243757 counting only the distinct ones).

The product of its digits is 4000752, while the sum is 54.

The square root of 2766379761 is about 52596.3854366438. The cubic root of 2766379761 is about 1403.7957811059.

The spelling of 2766379761 in words is "two billion, seven hundred sixty-six million, three hundred seventy-nine thousand, seven hundred sixty-one".