4272478845 has 16 divisors (see below), whose sum is σ = 7238082240. Its totient is φ = 2144616704.

The previous prime is 4272478843. The next prime is 4272478883. The reversal of 4272478845 is 5488742724.

It is a cyclic number.

It is not a de Polignac number, because 4272478845 - 2¹ = 4272478843 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4272478843) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8377155 + ... + 8377664.

It is an arithmetic number, because the mean of its divisors is an integer number (452380140).

Almost surely, 2^4272478845 is an apocalyptic number.

It is an amenable number.

4272478845 is a deficient number, since it is larger than the sum of its proper divisors (2965603395).

4272478845 is a wasteful number, since it uses less digits than its factorization.

4272478845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16754844.

The product of its digits is 4014080, while the sum is 51.

The square root of 4272478845 is about 65364.2015555916. The cubic root of 4272478845 is about 1622.6566738781.

The spelling of 4272478845 in words is "four billion, two hundred seventy-two million, four hundred seventy-eight thousand, eight hundred forty-five".