2075553779 has 4 divisors (see below), whose sum is σ = 2235211776. Its totient is φ = 1915895784.

The previous prime is 2075553773. The next prime is 2075553811. The reversal of 2075553779 is 9773555702.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2075553779 - 2⁴ = 2075553763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2075553773) 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 3 ways as a sum of consecutive naturals, for example, 79828979 + ... + 79829004.

It is an arithmetic number, because the mean of its divisors is an integer number (558802944).

Almost surely, 2^2075553779 is an apocalyptic number.

2075553779 is a deficient number, since it is larger than the sum of its proper divisors (159657997).

2075553779 is a wasteful number, since it uses less digits than its factorization.

2075553779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159657996.

The product of its (nonzero) digits is 2315250, while the sum is 50.

The square root of 2075553779 is about 45558.2460044282. The cubic root of 2075553779 is about 1275.5906588412.

The spelling of 2075553779 in words is "two billion, seventy-five million, five hundred fifty-three thousand, seven hundred seventy-nine".