14778069448 has 16 divisors (see below), whose sum is σ = 27720671580. Its totient is φ = 7385890368.

The previous prime is 14778069431. The next prime is 14778069463. The reversal of 14778069448 is 84496087741.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 14761764004 + 16305444 = 121498^2 + 4038^2 .

It is a super-2 number, since 2×14778069448² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 14778069392 and 14778069401.

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, 373011 + ... + 410722.

Almost surely, 2^14778069448 is an apocalyptic number.

It is an amenable number.

14778069448 is a deficient number, since it is larger than the sum of its proper divisors (12942602132).

14778069448 is a wasteful number, since it uses less digits than its factorization.

14778069448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 786096 (or 786092 counting only the distinct ones).

The product of its (nonzero) digits is 10838016, while the sum is 58.

The spelling of 14778069448 in words is "fourteen billion, seven hundred seventy-eight million, sixty-nine thousand, four hundred forty-eight".