14728086864 has 240 divisors, whose sum is σ = 43292181504. Its totient is φ = 4670265600.

The previous prime is 14728086851. The next prime is 14728086881. The reversal of 14728086864 is 46868082741.

It is a self number, because there is not a number n which added to its sum of digits gives 14728086864.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 54347049 + ... + 54347319.

Almost surely, 2^14728086864 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 14728086864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21646090752).

14728086864 is an abundant number, since it is smaller than the sum of its proper divisors (28564094640).

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

14728086864 is a wasteful number, since it uses less digits than its factorization.

14728086864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 526 (or 517 counting only the distinct ones).

The product of its (nonzero) digits is 4128768, while the sum is 54.

It can be divided in two parts, 1472 and 8086864, that added together give a square (8088336 = 2844²).

The spelling of 14728086864 in words is "fourteen billion, seven hundred twenty-eight million, eighty-six thousand, eight hundred sixty-four".