2827780679 has 2 divisors, whose sum is σ = 2827780680. Its totient is φ = 2827780678.

The previous prime is 2827780573. The next prime is 2827780757. The reversal of 2827780679 is 9760877282.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2827780679 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2827380679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1413890339 + 1413890340.

It is an arithmetic number, because the mean of its divisors is an integer number (1413890340).

Almost surely, 2^2827780679 is an apocalyptic number.

2827780679 is a deficient number, since it is larger than the sum of its proper divisors (1).

2827780679 is an equidigital number, since it uses as much as digits as its factorization.

2827780679 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4741632, while the sum is 56.

The square root of 2827780679 is about 53176.8810574671. The cubic root of 2827780679 is about 1414.1058132062.

The spelling of 2827780679 in words is "two billion, eight hundred twenty-seven million, seven hundred eighty thousand, six hundred seventy-nine".