78944223 has 8 divisors (see below), whose sum is σ = 105966000. Its totient is φ = 52275968.

The previous prime is 78944219. The next prime is 78944227. The reversal of 78944223 is 32244987.

It is an interprime number because it is at equal distance from previous prime (78944219) and next prime (78944227).

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

It is a cyclic number.

It is not a de Polignac number, because 78944223 - 2² = 78944219 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78944227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87858 + ... + 88751.

It is an arithmetic number, because the mean of its divisors is an integer number (13245750).

Almost surely, 2^78944223 is an apocalyptic number.

78944223 is a deficient number, since it is larger than the sum of its proper divisors (27021777).

78944223 is a wasteful number, since it uses less digits than its factorization.

78944223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176761.

The product of its digits is 96768, while the sum is 39.

The square root of 78944223 is about 8885.0561618934. The cubic root of 78944223 is about 428.9830357178.

The spelling of 78944223 in words is "seventy-eight million, nine hundred forty-four thousand, two hundred twenty-three".