14685712378 has 16 divisors (see below), whose sum is σ = 23326876584. Its totient is φ = 6910179840.

The previous prime is 14685712357. The next prime is 14685712421. The reversal of 14685712378 is 87321758641.

It can be written as a sum of positive squares in 4 ways, for example, as 11085352369 + 3600360009 = 105287^2 + 60003^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 419776 + ... + 453412.

Almost surely, 2^14685712378 is an apocalyptic number.

14685712378 is a deficient number, since it is larger than the sum of its proper divisors (8641164206).

14685712378 is a wasteful number, since it uses less digits than its factorization.

14685712378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46497.

The product of its digits is 2257920, while the sum is 52.

The spelling of 14685712378 in words is "fourteen billion, six hundred eighty-five million, seven hundred twelve thousand, three hundred seventy-eight".