2117058947790 has 64 divisors (see below), whose sum is σ = 5166661723200. Its totient is φ = 555033277440.

The previous prime is 2117058947779. The next prime is 2117058947827. The reversal of 2117058947790 is 977498507112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3640036 + ... + 4181384.

It is an arithmetic number, because the mean of its divisors is an integer number (80729089425).

Almost surely, 2^{2117058947790} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2117058947790, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2583330861600).

2117058947790 is an abundant number, since it is smaller than the sum of its proper divisors (3049602775410).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2117058947790 is a wasteful number, since it uses less digits than its factorization.

2117058947790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 543557.

The product of its (nonzero) digits is 8890560, while the sum is 60.

The spelling of 2117058947790 in words is "two trillion, one hundred seventeen billion, fifty-eight million, nine hundred forty-seven thousand, seven hundred ninety".