2173827687706 has 8 divisors (see below), whose sum is σ = 3261140814240. Its totient is φ = 1086780749628.

The previous prime is 2173827687677. The next prime is 2173827687737. The reversal of 2173827687706 is 6077867283712.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66526696 + ... + 66559363.

It is an arithmetic number, because the mean of its divisors is an integer number (407642601780).

Almost surely, 2^{2173827687706} is an apocalyptic number.

2173827687706 is a deficient number, since it is larger than the sum of its proper divisors (1087313126534).

2173827687706 is a wasteful number, since it uses less digits than its factorization.

2173827687706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133094228.

The product of its (nonzero) digits is 66382848, while the sum is 64.

The spelling of 2173827687706 in words is "two trillion, one hundred seventy-three billion, eight hundred twenty-seven million, six hundred eighty-seven thousand, seven hundred six".