17078108085 has 48 divisors (see below), whose sum is σ = 30111644160. Its totient is φ = 8951771520.

The previous prime is 17078108083. The next prime is 17078108087. The reversal of 17078108085 is 58080187071.

It is an interprime number because it is at equal distance from previous prime (17078108083) and next prime (17078108087).

It is not a de Polignac number, because 17078108085 - 2¹ = 17078108083 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 17078108085.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (17078108083) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6056806 + ... + 6059624.

It is an arithmetic number, because the mean of its divisors is an integer number (627325920).

Almost surely, 2^17078108085 is an apocalyptic number.

17078108085 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

17078108085 is a deficient number, since it is larger than the sum of its proper divisors (13033536075).

17078108085 is a wasteful number, since it uses less digits than its factorization.

17078108085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5098 (or 5095 counting only the distinct ones).

The product of its (nonzero) digits is 125440, while the sum is 45.

The spelling of 17078108085 in words is "seventeen billion, seventy-eight million, one hundred eight thousand, eighty-five".