17397000247 has 16 divisors (see below), whose sum is σ = 19262016000. Its totient is φ = 15580131840.

The previous prime is 17397000241. The next prime is 17397000251. The reversal of 17397000247 is 74200079371.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-17397000247 is a prime.

It is a super-2 number, since 2×17397000247² (a number of 21 digits) contains 22 as substring.

It is a pancake number, because a pancake can be divided into 17397000247 parts by 186531 straight cuts.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (17397000241) 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, 367888 + ... + 412474.

It is an arithmetic number, because the mean of its divisors is an integer number (1203876000).

Almost surely, 2^17397000247 is an apocalyptic number.

17397000247 is a deficient number, since it is larger than the sum of its proper divisors (1865015753).

17397000247 is a wasteful number, since it uses less digits than its factorization.

17397000247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45126.

The product of its (nonzero) digits is 74088, while the sum is 40.

The spelling of 17397000247 in words is "seventeen billion, three hundred ninety-seven million, two hundred forty-seven", and thus it is an aban number.