1676778011 has 2 divisors, whose sum is σ = 1676778012. Its totient is φ = 1676778010.

The previous prime is 1676778001. The next prime is 1676778031. The reversal of 1676778011 is 1108776761.

It is a weak prime.

It is an emirp because it is prime and its reverse (1108776761) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1676778011 - 2¹⁴ = 1676761627 is a prime.

It is a super-2 number, since 2×1676778011² = 5623168996346232242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1676778001) 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 as a sum of consecutive naturals, namely, 838389005 + 838389006.

It is an arithmetic number, because the mean of its divisors is an integer number (838389006).

Almost surely, 2^1676778011 is an apocalyptic number.

1676778011 is a deficient number, since it is larger than the sum of its proper divisors (1).

1676778011 is an equidigital number, since it uses as much as digits as its factorization.

1676778011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 98784, while the sum is 44.

The square root of 1676778011 is about 40948.4799595785. The cubic root of 1676778011 is about 1188.0239339142.

The spelling of 1676778011 in words is "one billion, six hundred seventy-six million, seven hundred seventy-eight thousand, eleven".