2085345979 has 4 divisors (see below), whose sum is σ = 2097400176. Its totient is φ = 2073291784.

The previous prime is 2085345967. The next prime is 2085346013. The reversal of 2085345979 is 9795435802.

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 2085345979 - 2⁹ = 2085345467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2085345929) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6026839 + ... + 6027184.

It is an arithmetic number, because the mean of its divisors is an integer number (524350044).

Almost surely, 2^2085345979 is an apocalyptic number.

2085345979 is a deficient number, since it is larger than the sum of its proper divisors (12054197).

2085345979 is a wasteful number, since it uses less digits than its factorization.

2085345979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12054196.

The product of its (nonzero) digits is 2721600, while the sum is 52.

The square root of 2085345979 is about 45665.5885651329. The cubic root of 2085345979 is about 1277.5935374467.

The spelling of 2085345979 in words is "two billion, eighty-five million, three hundred forty-five thousand, nine hundred seventy-nine".