17700842117 has 32 divisors (see below), whose sum is σ = 21183012864. Its totient is φ = 14472561600.

The previous prime is 17700842087. The next prime is 17700842129. The reversal of 17700842117 is 71124800771.

It is not a de Polignac number, because 17700842117 - 2⁸ = 17700841861 is a prime.

It is a super-2 number, since 2×17700842117² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (17700842177) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4897403 + ... + 4901015.

It is an arithmetic number, because the mean of its divisors is an integer number (661969152).

Almost surely, 2^17700842117 is an apocalyptic number.

It is an amenable number.

17700842117 is a deficient number, since it is larger than the sum of its proper divisors (3482170747).

17700842117 is a wasteful number, since it uses less digits than its factorization.

17700842117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3969.

The product of its (nonzero) digits is 21952, while the sum is 38.

The spelling of 17700842117 in words is "seventeen billion, seven hundred million, eight hundred forty-two thousand, one hundred seventeen".