2085782612 has 12 divisors (see below), whose sum is σ = 3653137236. Its totient is φ = 1042029120.

The previous prime is 2085782593. The next prime is 2085782687. The reversal of 2085782612 is 2162875802.

It can be written as a sum of positive squares in 2 ways, for example, as 232135696 + 1853646916 = 15236^2 + 43054^2 .

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 2085782612.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 210089 + ... + 219792.

It is an arithmetic number, because the mean of its divisors is an integer number (304428103).

Almost surely, 2^2085782612 is an apocalyptic number.

It is an amenable number.

2085782612 is a deficient number, since it is larger than the sum of its proper divisors (1567354624).

2085782612 is a wasteful number, since it uses less digits than its factorization.

2085782612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431098 (or 431096 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 41.

The square root of 2085782612 is about 45670.3690810574. The cubic root of 2085782612 is about 1277.6826994011.

The spelling of 2085782612 in words is "two billion, eighty-five million, seven hundred eighty-two thousand, six hundred twelve".