2770776681 has 16 divisors (see below), whose sum is σ = 3782296320. Its totient is φ = 1803266640.

The previous prime is 2770776661. The next prime is 2770776713. The reversal of 2770776681 is 1866770772.

It is not a de Polignac number, because 2770776681 - 2⁷ = 2770776553 is a prime.

It is a super-2 number, since 2×2770776681² = 15354406831946751522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2770776641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 301330 + ... + 310388.

It is an arithmetic number, because the mean of its divisors is an integer number (236393520).

Almost surely, 2^2770776681 is an apocalyptic number.

It is an amenable number.

2770776681 is a deficient number, since it is larger than the sum of its proper divisors (1011519639).

2770776681 is a wasteful number, since it uses less digits than its factorization.

2770776681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11476.

The product of its (nonzero) digits is 1382976, while the sum is 51.

The square root of 2770776681 is about 52638.1675307946. The cubic root of 2770776681 is about 1404.5391245139.

The spelling of 2770776681 in words is "two billion, seven hundred seventy million, seven hundred seventy-six thousand, six hundred eighty-one".