14791223478 has 8 divisors (see below), whose sum is σ = 29582446968. Its totient is φ = 4930407824.

The previous prime is 14791223449. The next prime is 14791223521. The reversal of 14791223478 is 87432219741.

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

14791223478 is an admirable number.

It is a super-2 number, since 2×14791223478² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1232601951 + ... + 1232601962.

It is an arithmetic number, because the mean of its divisors is an integer number (3697805871).

Almost surely, 2^14791223478 is an apocalyptic number.

14791223478 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

14791223478 is a wasteful number, since it uses less digits than its factorization.

14791223478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2465203918.

The product of its digits is 677376, while the sum is 48.

The spelling of 14791223478 in words is "fourteen billion, seven hundred ninety-one million, two hundred twenty-three thousand, four hundred seventy-eight".