2117870675 has 6 divisors (see below), whose sum is σ = 2626159668. Its totient is φ = 1694296520.

The previous prime is 2117870647. The next prime is 2117870681. The reversal of 2117870675 is 5760787112.

It is not a de Polignac number, because 2117870675 - 2¹⁰ = 2117869651 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 42357389 + ... + 42357438.

It is an arithmetic number, because the mean of its divisors is an integer number (437693278).

Almost surely, 2^2117870675 is an apocalyptic number.

2117870675 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2117870675 is a deficient number, since it is larger than the sum of its proper divisors (508288993).

2117870675 is an equidigital number, since it uses as much as digits as its factorization.

2117870675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84714837 (or 84714832 counting only the distinct ones).

The product of its (nonzero) digits is 164640, while the sum is 44.

The square root of 2117870675 is about 46020.3289318970. The cubic root of 2117870675 is about 1284.2014195637.

The spelling of 2117870675 in words is "two billion, one hundred seventeen million, eight hundred seventy thousand, six hundred seventy-five".