2047086785 has 16 divisors (see below), whose sum is σ = 2469474000. Its totient is φ = 1629044736.

The previous prime is 2047086751. The next prime is 2047086793. The reversal of 2047086785 is 5876807402.

It can be written as a sum of positive squares in 8 ways, for example, as 238115761 + 1808971024 = 15431^2 + 42532^2 .

It is a cyclic number.

It is not a de Polignac number, because 2047086785 - 2⁶ = 2047086721 is a prime.

It is a super-3 number, since 3×2047086785³ (a number of 29 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1452161 + ... + 1453569.

It is an arithmetic number, because the mean of its divisors is an integer number (154342125).

Almost surely, 2^2047086785 is an apocalyptic number.

It is an amenable number.

2047086785 is a deficient number, since it is larger than the sum of its proper divisors (422387215).

2047086785 is a wasteful number, since it uses less digits than its factorization.

2047086785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2740.

The product of its (nonzero) digits is 752640, while the sum is 47.

The square root of 2047086785 is about 45244.7431753126. The cubic root of 2047086785 is about 1269.7320585052.

The spelling of 2047086785 in words is "two billion, forty-seven million, eighty-six thousand, seven hundred eighty-five".