9999999060785 has 16 divisors (see below), whose sum is σ = 12145494352320. Its totient is φ = 7903016821440.

The previous prime is 9999999060763. The next prime is 9999999060787. The reversal of 9999999060785 is 5870609999999.

It is not a de Polignac number, because 9999999060785 - 2¹² = 9999999056689 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9999999060785.

It is not an unprimeable number, because it can be changed into a prime (9999999060787) 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, 4632455 + ... + 6438915.

It is an arithmetic number, because the mean of its divisors is an integer number (759093397020).

Almost surely, 2^{9999999060785} is an apocalyptic number.

It is an amenable number.

9999999060785 is a deficient number, since it is larger than the sum of its proper divisors (2145495291535).

9999999060785 is a wasteful number, since it uses less digits than its factorization.

9999999060785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1819888.

The product of its (nonzero) digits is 8035387920, while the sum is 89.

The spelling of 9999999060785 in words is "nine trillion, nine hundred ninety-nine billion, nine hundred ninety-nine million, sixty thousand, seven hundred eighty-five".