3959478347 has 16 divisors (see below), whose sum is σ = 4579224192. Its totient is φ = 3383560320.

The previous prime is 3959478337. The next prime is 3959478409. The reversal of 3959478347 is 7438749593.

It is not a de Polignac number, because 3959478347 - 2⁴ = 3959478331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3959478337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 141848 + ... + 167450.

It is an arithmetic number, because the mean of its divisors is an integer number (286201512).

Almost surely, 2^3959478347 is an apocalyptic number.

3959478347 is a deficient number, since it is larger than the sum of its proper divisors (619745845).

3959478347 is a wasteful number, since it uses less digits than its factorization.

3959478347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26458.

The product of its digits is 22861440, while the sum is 59.

The square root of 3959478347 is about 62924.3859485335. The cubic root of 3959478347 is about 1582.0225056906.

The spelling of 3959478347 in words is "three billion, nine hundred fifty-nine million, four hundred seventy-eight thousand, three hundred forty-seven".