2078364859 has 2 divisors, whose sum is σ = 2078364860. Its totient is φ = 2078364858.

The previous prime is 2078364839. The next prime is 2078364889. The reversal of 2078364859 is 9584638702.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2078364859 - 2⁹ = 2078364347 is a prime.

It is not a weakly prime, because it can be changed into another prime (2078364809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1039182429 + 1039182430.

It is an arithmetic number, because the mean of its divisors is an integer number (1039182430).

Almost surely, 2^2078364859 is an apocalyptic number.

2078364859 is a deficient number, since it is larger than the sum of its proper divisors (1).

2078364859 is an equidigital number, since it uses as much as digits as its factorization.

2078364859 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2903040, while the sum is 52.

The square root of 2078364859 is about 45589.0870603920. The cubic root of 2078364859 is about 1276.1662754642.

The spelling of 2078364859 in words is "two billion, seventy-eight million, three hundred sixty-four thousand, eight hundred fifty-nine".