14727857664 has 80 divisors (see below), whose sum is σ = 42254139312. Its totient is φ = 4531642368.

The previous prime is 14727857663. The next prime is 14727857693. The reversal of 14727857664 is 46675872741.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14727857663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 348819 + ... + 388754.

Almost surely, 2^14727857664 is an apocalyptic number.

It is an amenable number.

14727857664 is an abundant number, since it is smaller than the sum of its proper divisors (27526281648).

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

14727857664 is an equidigital number, since it uses as much as digits as its factorization.

14727857664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 737607 (or 737591 counting only the distinct ones).

The product of its digits is 15805440, while the sum is 57.

The spelling of 14727857664 in words is "fourteen billion, seven hundred twenty-seven million, eight hundred fifty-seven thousand, six hundred sixty-four".