2785320840707 has 2 divisors, whose sum is σ = 2785320840708. Its totient is φ = 2785320840706.

The previous prime is 2785320840559. The next prime is 2785320840719. The reversal of 2785320840707 is 7070480235872.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2785320840707 - 2¹⁰ = 2785320839683 is a prime.

It is not a weakly prime, because it can be changed into another prime (2785320800707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1392660420353 + 1392660420354.

It is an arithmetic number, because the mean of its divisors is an integer number (1392660420354).

Almost surely, 2^{2785320840707} is an apocalyptic number.

2785320840707 is a deficient number, since it is larger than the sum of its proper divisors (1).

2785320840707 is an equidigital number, since it uses as much as digits as its factorization.

2785320840707 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5268480, while the sum is 53.

The spelling of 2785320840707 in words is "two trillion, seven hundred eighty-five billion, three hundred twenty million, eight hundred forty thousand, seven hundred seven".