78823922 has 8 divisors (see below), whose sum is σ = 118339056. Its totient is φ = 39377572.

The previous prime is 78823919. The next prime is 78823931. The reversal of 78823922 is 22932887.

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

It is a self number, because there is not a number n which added to its sum of digits gives 78823922.

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, 14228 + ... + 18975.

It is an arithmetic number, because the mean of its divisors is an integer number (14792382).

Almost surely, 2^78823922 is an apocalyptic number.

78823922 is a deficient number, since it is larger than the sum of its proper divisors (39515134).

78823922 is a wasteful number, since it uses less digits than its factorization.

78823922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34392.

The product of its digits is 96768, while the sum is 41.

The square root of 78823922 is about 8878.2837305416. The cubic root of 78823922 is about 428.7650196610.

The spelling of 78823922 in words is "seventy-eight million, eight hundred twenty-three thousand, nine hundred twenty-two".