4197855847 has 8 divisors (see below), whose sum is σ = 4220912000. Its totient is φ = 4174819704.

The previous prime is 4197855817. The next prime is 4197855863. The reversal of 4197855847 is 7485587914.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4197855847 - 2²⁷ = 4063638119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4197855791 and 4197855800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4197855817) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 630904 + ... + 637522.

It is an arithmetic number, because the mean of its divisors is an integer number (527614000).

Almost surely, 2^4197855847 is an apocalyptic number.

4197855847 is a deficient number, since it is larger than the sum of its proper divisors (23056153).

4197855847 is a wasteful number, since it uses less digits than its factorization.

4197855847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10005.

The product of its digits is 11289600, while the sum is 58.

The square root of 4197855847 is about 64790.8623727143. The cubic root of 4197855847 is about 1613.1540407282.

The spelling of 4197855847 in words is "four billion, one hundred ninety-seven million, eight hundred fifty-five thousand, eight hundred forty-seven".