78923422 has 8 divisors (see below), whose sum is σ = 118456272. Its totient is φ = 39438000.

The previous prime is 78923417. The next prime is 78923461. The reversal of 78923422 is 22432987.

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, 7354 + ... + 14557.

It is an arithmetic number, because the mean of its divisors is an integer number (14807034).

Almost surely, 2^78923422 is an apocalyptic number.

78923422 is a deficient number, since it is larger than the sum of its proper divisors (39532850).

78923422 is a wasteful number, since it uses less digits than its factorization.

78923422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23714.

The product of its digits is 48384, while the sum is 37.

The square root of 78923422 is about 8883.8855238009. The cubic root of 78923422 is about 428.9453548522.

The spelling of 78923422 in words is "seventy-eight million, nine hundred twenty-three thousand, four hundred twenty-two".