2277794156691 has 16 divisors (see below), whose sum is σ = 3135158647808. Its totient is φ = 1469483618400.

The previous prime is 2277794156689. The next prime is 2277794156717. The reversal of 2277794156691 is 1966514977722.

It is not a de Polignac number, because 2277794156691 - 2¹ = 2277794156689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2277794156191) 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, 1800285 + ... + 2792241.

It is an arithmetic number, because the mean of its divisors is an integer number (195947415488).

Almost surely, 2^{2277794156691} is an apocalyptic number.

2277794156691 is a deficient number, since it is larger than the sum of its proper divisors (857364491117).

2277794156691 is a wasteful number, since it uses less digits than its factorization.

2277794156691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1016682.

The product of its digits is 80015040, while the sum is 66.

The spelling of 2277794156691 in words is "two trillion, two hundred seventy-seven billion, seven hundred ninety-four million, one hundred fifty-six thousand, six hundred ninety-one".