4278484547205 has 32 divisors (see below), whose sum is σ = 7708800319488. Its totient is φ = 2007500078400.

The previous prime is 4278484547083. The next prime is 4278484547221. The reversal of 4278484547205 is 5027454848724.

It is not a de Polignac number, because 4278484547205 - 2⁸ = 4278484546949 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 418224069 + ... + 418234298.

It is an arithmetic number, because the mean of its divisors is an integer number (240900009984).

Almost surely, 2^{4278484547205} is an apocalyptic number.

It is an amenable number.

4278484547205 is a deficient number, since it is larger than the sum of its proper divisors (3430315772283).

4278484547205 is a wasteful number, since it uses less digits than its factorization.

4278484547205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 836458417.

The product of its (nonzero) digits is 80281600, while the sum is 60.

The spelling of 4278484547205 in words is "four trillion, two hundred seventy-eight billion, four hundred eighty-four million, five hundred forty-seven thousand, two hundred five".