2173448678 has 8 divisors (see below), whose sum is σ = 3260422368. Its totient is φ = 1086641224.

The previous prime is 2173448653. The next prime is 2173448689. The reversal of 2173448678 is 8768443712.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 926 + ... + 65937.

It is an arithmetic number, because the mean of its divisors is an integer number (407552796).

Almost surely, 2^2173448678 is an apocalyptic number.

2173448678 is a deficient number, since it is larger than the sum of its proper divisors (1086973690).

2173448678 is a wasteful number, since it uses less digits than its factorization.

2173448678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83118.

The product of its digits is 1806336, while the sum is 50.

The square root of 2173448678 is about 46620.2603810832. The cubic root of 2173448678 is about 1295.3380706783.

The spelling of 2173448678 in words is "two billion, one hundred seventy-three million, four hundred forty-eight thousand, six hundred seventy-eight".