2780036827 has 2 divisors, whose sum is σ = 2780036828. Its totient is φ = 2780036826.

The previous prime is 2780036803. The next prime is 2780036849. The reversal of 2780036827 is 7286300872.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2780036827 - 2¹¹ = 2780034779 is a prime.

It is not a weakly prime, because it can be changed into another prime (2780036867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1390018413 + 1390018414.

It is an arithmetic number, because the mean of its divisors is an integer number (1390018414).

Almost surely, 2^2780036827 is an apocalyptic number.

2780036827 is a deficient number, since it is larger than the sum of its proper divisors (1).

2780036827 is an equidigital number, since it uses as much as digits as its factorization.

2780036827 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 225792, while the sum is 43.

The square root of 2780036827 is about 52726.0545366330. The cubic root of 2780036827 is about 1406.1020767612.

The spelling of 2780036827 in words is "two billion, seven hundred eighty million, thirty-six thousand, eight hundred twenty-seven".