104235787217 has 8 divisors (see below), whose sum is σ = 106003507752. Its totient is φ = 102469968000.

The previous prime is 104235787211. The next prime is 104235787223. The reversal of 104235787217 is 712787532401.

It is an interprime number because it is at equal distance from previous prime (104235787211) and next prime (104235787223).

It can be written as a sum of positive squares in 4 ways, for example, as 7081390801 + 97154396416 = 84151^2 + 311696^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 104235787217 - 2¹⁴ = 104235770833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (104235787211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 364538 + ... + 584259.

It is an arithmetic number, because the mean of its divisors is an integer number (13250438469).

Almost surely, 2^104235787217 is an apocalyptic number.

It is an amenable number.

104235787217 is a deficient number, since it is larger than the sum of its proper divisors (1767720535).

104235787217 is an equidigital number, since it uses as much as digits as its factorization.

104235787217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 950659.

The product of its (nonzero) digits is 658560, while the sum is 47.

The spelling of 104235787217 in words is "one hundred four billion, two hundred thirty-five million, seven hundred eighty-seven thousand, two hundred seventeen".