17074407985 has 8 divisors (see below), whose sum is σ = 20490213096. Its totient is φ = 13658910720.

The previous prime is 17074407983. The next prime is 17074407991. The reversal of 17074407985 is 58970447071.

It can be written as a sum of positive squares in 4 ways, for example, as 1351003536 + 15723404449 = 36756^2 + 125393^2 .

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

It is not a de Polignac number, because 17074407985 - 2¹ = 17074407983 is a prime.

It is a super-3 number, since 3×17074407985³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (17074407983) 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, 70887 + ... + 197923.

It is an arithmetic number, because the mean of its divisors is an integer number (2561276637).

Almost surely, 2^17074407985 is an apocalyptic number.

It is an amenable number.

17074407985 is a deficient number, since it is larger than the sum of its proper divisors (3415805111).

17074407985 is a wasteful number, since it uses less digits than its factorization.

17074407985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153923.

The product of its (nonzero) digits is 1975680, while the sum is 52.

The spelling of 17074407985 in words is "seventeen billion, seventy-four million, four hundred seven thousand, nine hundred eighty-five".