617790117289 has 16 divisors (see below), whose sum is σ = 668146187200. Its totient is φ = 569230680384.

The previous prime is 617790117277. The next prime is 617790117311. The reversal of 617790117289 is 982711097716.

It is a cyclic number.

It is not a de Polignac number, because 617790117289 - 2¹⁵ = 617790084521 is a prime.

It is not an unprimeable number, because it can be changed into a prime (617790177289) 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, 1611859 + ... + 1957975.

It is an arithmetic number, because the mean of its divisors is an integer number (41759136700).

Almost surely, 2^617790117289 is an apocalyptic number.

It is an amenable number.

617790117289 is a deficient number, since it is larger than the sum of its proper divisors (50356069911).

617790117289 is a wasteful number, since it uses less digits than its factorization.

617790117289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348712.

The product of its (nonzero) digits is 2667168, while the sum is 58.

The spelling of 617790117289 in words is "six hundred seventeen billion, seven hundred ninety million, one hundred seventeen thousand, two hundred eighty-nine".