2085718388 has 24 divisors (see below), whose sum is σ = 4137661920. Its totient is φ = 911973600.

The previous prime is 2085718387. The next prime is 2085718399. The reversal of 2085718388 is 8838175802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2085718387) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1054538 + ... + 1056513.

It is an arithmetic number, because the mean of its divisors is an integer number (172402580).

Almost surely, 2^2085718388 is an apocalyptic number.

It is an amenable number.

2085718388 is a deficient number, since it is larger than the sum of its proper divisors (2051943532).

2085718388 is a wasteful number, since it uses less digits than its factorization.

2085718388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2111087 (or 2111085 counting only the distinct ones).

The product of its (nonzero) digits is 860160, while the sum is 50.

The square root of 2085718388 is about 45669.6659501687. The cubic root of 2085718388 is about 1277.6695854209.

The spelling of 2085718388 in words is "two billion, eighty-five million, seven hundred eighteen thousand, three hundred eighty-eight".