9850978530775 has 12 divisors (see below), whose sum is σ = 12221598807792. Its totient is φ = 7876663192640.

The previous prime is 9850978530761. The next prime is 9850978530823. The reversal of 9850978530775 is 5770358790589.

It is not a de Polignac number, because 9850978530775 - 2²⁵ = 9850944976343 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9850978530698 and 9850978530707.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 102942019 + ... + 103037668.

It is an arithmetic number, because the mean of its divisors is an integer number (1018466567316).

Almost surely, 2^{9850978530775} is an apocalyptic number.

9850978530775 is a deficient number, since it is larger than the sum of its proper divisors (2370620277017).

9850978530775 is a wasteful number, since it uses less digits than its factorization.

9850978530775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205981610 (or 205981605 counting only the distinct ones).

The product of its (nonzero) digits is 666792000, while the sum is 73.

The spelling of 9850978530775 in words is "nine trillion, eight hundred fifty billion, nine hundred seventy-eight million, five hundred thirty thousand, seven hundred seventy-five".