1478448747 has 32 divisors (see below), whose sum is σ = 2255784960. Its totient is φ = 956460960.

The previous prime is 1478448737. The next prime is 1478448749. The reversal of 1478448747 is 7478448741.

1478448747 is a `hidden beast` number, since 1 + 47 + 84 + 487 + 47 = 666.

It is not a de Polignac number, because 1478448747 - 2¹⁰ = 1478447723 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1478448693 and 1478448702.

It is not an unprimeable number, because it can be changed into a prime (1478448749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 178222 + ... + 186332.

It is an arithmetic number, because the mean of its divisors is an integer number (70493280).

Almost surely, 2^1478448747 is an apocalyptic number.

1478448747 is a deficient number, since it is larger than the sum of its proper divisors (777336213).

1478448747 is a wasteful number, since it uses less digits than its factorization.

1478448747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8320 (or 8314 counting only the distinct ones).

The product of its digits is 5619712, while the sum is 54.

The square root of 1478448747 is about 38450.6013867144. The cubic root of 1478448747 is about 1139.2055475922.

The spelling of 1478448747 in words is "one billion, four hundred seventy-eight million, four hundred forty-eight thousand, seven hundred forty-seven".