2078759899 has 8 divisors (see below), whose sum is σ = 2113514000. Its totient is φ = 2044175616.

The previous prime is 2078759897. The next prime is 2078759909. The reversal of 2078759899 is 9989578702.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2078759899 - 2¹ = 2078759897 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2078759899.

It is not an unprimeable number, because it can be changed into a prime (2078759897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17649 + ... + 66850.

It is an arithmetic number, because the mean of its divisors is an integer number (264189250).

Almost surely, 2^2078759899 is an apocalyptic number.

2078759899 is a deficient number, since it is larger than the sum of its proper divisors (34754101).

2078759899 is an equidigital number, since it uses as much as digits as its factorization.

2078759899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84909.

The product of its (nonzero) digits is 22861440, while the sum is 64.

The square root of 2078759899 is about 45593.4194703578. The cubic root of 2078759899 is about 1276.2471250458.

The spelling of 2078759899 in words is "two billion, seventy-eight million, seven hundred fifty-nine thousand, eight hundred ninety-nine".