14478787971 has 48 divisors (see below), whose sum is σ = 21632173056. Its totient is φ = 9328290048.

The previous prime is 14478787951. The next prime is 14478787991. The reversal of 14478787971 is 17978787441.

14478787971 is a `hidden beast` number, since 1 + 4 + 478 + 78 + 7 + 97 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (14478787951) and next prime (14478787991).

It is not a de Polignac number, because 14478787971 - 2¹⁰ = 14478786947 is a prime.

It is a super-2 number, since 2×14478787971² (a number of 21 digits) contains 22 as substring.

Its product of digits (22127616) is a multiple of the sum of its prime factors (2352).

It is a junction number, because it is equal to n+sod(n) for n = 14478787899 and 14478787908.

It is not an unprimeable number, because it can be changed into a prime (14478787931) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7017286 + ... + 7019348.

It is an arithmetic number, because the mean of its divisors is an integer number (450670272).

Almost surely, 2^14478787971 is an apocalyptic number.

14478787971 is a deficient number, since it is larger than the sum of its proper divisors (7153385085).

14478787971 is a wasteful number, since it uses less digits than its factorization.

14478787971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2352 (or 2349 counting only the distinct ones).

The product of its digits is 22127616, while the sum is 63.

The spelling of 14478787971 in words is "fourteen billion, four hundred seventy-eight million, seven hundred eighty-seven thousand, nine hundred seventy-one".