104620215217 has 6 divisors (see below), whose sum is σ = 121701066738. Its totient is φ = 89674470144.

The previous prime is 104620215197. The next prime is 104620215229. The reversal of 104620215217 is 712512026401.

It can be written as a sum of positive squares in only one way, i.e., 75514490401 + 29105724816 = 274799^2 + 170604^2 .

It is not a de Polignac number, because 104620215217 - 2¹⁵ = 104620182449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (104620215017) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1067553168 + ... + 1067553265.

It is an arithmetic number, because the mean of its divisors is an integer number (20283511123).

Almost surely, 2^104620215217 is an apocalyptic number.

It is an amenable number.

104620215217 is a deficient number, since it is larger than the sum of its proper divisors (17080851521).

104620215217 is an equidigital number, since it uses as much as digits as its factorization.

104620215217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2135106447 (or 2135106440 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 31.

The spelling of 104620215217 in words is "one hundred four billion, six hundred twenty million, two hundred fifteen thousand, two hundred seventeen".