4171225978347 has 32 divisors (see below), whose sum is σ = 5693144002560. Its totient is φ = 2715341036160.

The previous prime is 4171225978343. The next prime is 4171225978393. The reversal of 4171225978347 is 7438795221714.

It is a happy number.

It is not a de Polignac number, because 4171225978347 - 2² = 4171225978343 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4171225978343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 242068222 + ... + 242085452.

It is an arithmetic number, because the mean of its divisors is an integer number (177910750080).

Almost surely, 2^{4171225978347} is an apocalyptic number.

4171225978347 is a gapful number since it is divisible by the number (47) formed by its first and last digit.

4171225978347 is a deficient number, since it is larger than the sum of its proper divisors (1521918024213).

4171225978347 is a wasteful number, since it uses less digits than its factorization.

4171225978347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21163.

The product of its digits is 23708160, while the sum is 60.

The spelling of 4171225978347 in words is "four trillion, one hundred seventy-one billion, two hundred twenty-five million, nine hundred seventy-eight thousand, three hundred forty-seven".