9785842011 has 32 divisors (see below), whose sum is σ = 16083590400. Its totient is φ = 5830280640.

The previous prime is 9785841977. The next prime is 9785842019. The reversal of 9785842011 is 1102485879.

It is not a de Polignac number, because 9785842011 - 2¹³ = 9785833819 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9785842019) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 261706 + ... + 296751.

It is an arithmetic number, because the mean of its divisors is an integer number (502612200).

Almost surely, 2^9785842011 is an apocalyptic number.

9785842011 is a deficient number, since it is larger than the sum of its proper divisors (6297748389).

9785842011 is a wasteful number, since it uses less digits than its factorization.

9785842011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 558536 (or 558530 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 45.

The square root of 9785842011 is about 98923.4148773686. The cubic root of 9785842011 is about 2138.9439290216.

The spelling of 9785842011 in words is "nine billion, seven hundred eighty-five million, eight hundred forty-two thousand, eleven".