14495778477 has 6 divisors (see below), whose sum is σ = 20938346702. Its totient is φ = 9663852312.

The previous prime is 14495778463. The next prime is 14495778481. The reversal of 14495778477 is 77487759441.

14495778477 is a `hidden beast` number, since 1 + 4 + 4 + 95 + 7 + 78 + 477 = 666.

It can be written as a sum of positive squares in only one way, i.e., 9353597796 + 5142180681 = 96714^2 + 71709^2 .

It is not a de Polignac number, because 14495778477 - 2²⁷ = 14361560749 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14495778487) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 805321018 + ... + 805321035.

Almost surely, 2^14495778477 is an apocalyptic number.

It is an amenable number.

14495778477 is a deficient number, since it is larger than the sum of its proper divisors (6442568225).

14495778477 is a wasteful number, since it uses less digits than its factorization.

14495778477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1610642059 (or 1610642056 counting only the distinct ones).

The product of its digits is 55319040, while the sum is 63.

The spelling of 14495778477 in words is "fourteen billion, four hundred ninety-five million, seven hundred seventy-eight thousand, four hundred seventy-seven".