2085782611 has 16 divisors (see below), whose sum is σ = 2339088480. Its totient is φ = 1843188480.

The previous prime is 2085782593. The next prime is 2085782687. The reversal of 2085782611 is 1162875802.

It is a cyclic number.

It is not a de Polignac number, because 2085782611 - 2⁷ = 2085782483 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2085782011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 648375 + ... + 651583.

It is an arithmetic number, because the mean of its divisors is an integer number (146193030).

Almost surely, 2^2085782611 is an apocalyptic number.

2085782611 is a deficient number, since it is larger than the sum of its proper divisors (253305869).

2085782611 is a wasteful number, since it uses less digits than its factorization.

2085782611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4854.

The product of its (nonzero) digits is 53760, while the sum is 40.

The square root of 2085782611 is about 45670.3690701093. The cubic root of 2085782611 is about 1277.6826991970.

The spelling of 2085782611 in words is "two billion, eighty-five million, seven hundred eighty-two thousand, six hundred eleven".