617222778339 has 16 divisors (see below), whose sum is σ = 824568042528. Its totient is φ = 410680123392.

The previous prime is 617222778313. The next prime is 617222778401. The reversal of 617222778339 is 933877222716.

It is not a de Polignac number, because 617222778339 - 2⁸ = 617222778083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (617222773339) 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, 5753439 + ... + 5859735.

It is an arithmetic number, because the mean of its divisors is an integer number (51535502658).

Almost surely, 2^617222778339 is an apocalyptic number.

617222778339 is a deficient number, since it is larger than the sum of its proper divisors (207345264189).

617222778339 is a wasteful number, since it uses less digits than its factorization.

617222778339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110054.

The product of its digits is 10668672, while the sum is 57.

The spelling of 617222778339 in words is "six hundred seventeen billion, two hundred twenty-two million, seven hundred seventy-eight thousand, three hundred thirty-nine".