470278647 has 12 divisors (see below), whose sum is σ = 685524840. Its totient is φ = 310642128.

The previous prime is 470278643. The next prime is 470278673. The reversal of 470278647 is 746872074.

It is not a de Polignac number, because 470278647 - 2² = 470278643 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (470278643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 238713 + ... + 240674.

It is an arithmetic number, because the mean of its divisors is an integer number (57127070).

Almost surely, 2^470278647 is an apocalyptic number.

470278647 is a deficient number, since it is larger than the sum of its proper divisors (215246193).

470278647 is a wasteful number, since it uses less digits than its factorization.

470278647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 479502 (or 479499 counting only the distinct ones).

The product of its (nonzero) digits is 526848, while the sum is 45.

The square root of 470278647 is about 21685.9089502838. The cubic root of 470278647 is about 777.6516300802.

The spelling of 470278647 in words is "four hundred seventy million, two hundred seventy-eight thousand, six hundred forty-seven".