14778323972 has 12 divisors (see below), whose sum is σ = 25881683520. Its totient is φ = 7383557256.

The previous prime is 14778323969. The next prime is 14778323977. The reversal of 14778323972 is 27932387741.

It is not an unprimeable number, because it can be changed into a prime (14778323977) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1395248 + ... + 1405799.

It is an arithmetic number, because the mean of its divisors is an integer number (2156806960).

Almost surely, 2^14778323972 is an apocalyptic number.

It is an amenable number.

14778323972 is a deficient number, since it is larger than the sum of its proper divisors (11103359548).

14778323972 is a wasteful number, since it uses less digits than its factorization.

14778323972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2802370 (or 2802368 counting only the distinct ones).

The product of its digits is 3556224, while the sum is 53.

The spelling of 14778323972 in words is "fourteen billion, seven hundred seventy-eight million, three hundred twenty-three thousand, nine hundred seventy-two".