3847247857061 has 96 divisors (see below), whose sum is σ = 4959751305600. Its totient is φ = 2963015354880.

The previous prime is 3847247857031. The next prime is 3847247857087. The reversal of 3847247857061 is 1607587427483.

It is not a de Polignac number, because 3847247857061 - 2¹⁰ = 3847247856037 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3847247856985 and 3847247857003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3847247857031) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2350181135 + ... + 2350182771.

It is an arithmetic number, because the mean of its divisors is an integer number (51664076100).

Almost surely, 2^{3847247857061} is an apocalyptic number.

It is an amenable number.

3847247857061 is a deficient number, since it is larger than the sum of its proper divisors (1112503448539).

3847247857061 is a wasteful number, since it uses less digits than its factorization.

3847247857061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3187 (or 3180 counting only the distinct ones).

The product of its (nonzero) digits is 63221760, while the sum is 62.

The spelling of 3847247857061 in words is "three trillion, eight hundred forty-seven billion, two hundred forty-seven million, eight hundred fifty-seven thousand, sixty-one".