4620287478 has 32 divisors (see below), whose sum is σ = 9468112896. Its totient is φ = 1502268768.

The previous prime is 4620287473. The next prime is 4620287491. The reversal of 4620287478 is 8747820264.

It is a happy number.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4620287471) 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, 187851 + ... + 211017.

It is an arithmetic number, because the mean of its divisors is an integer number (295878528).

Almost surely, 2^4620287478 is an apocalyptic number.

4620287478 is an abundant number, since it is smaller than the sum of its proper divisors (4847825418).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4620287478 is a wasteful number, since it uses less digits than its factorization.

4620287478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23988.

The product of its (nonzero) digits is 1204224, while the sum is 48.

The square root of 4620287478 is about 67972.6965626640. The cubic root of 4620287478 is about 1665.5448535617.

The spelling of 4620287478 in words is "four billion, six hundred twenty million, two hundred eighty-seven thousand, four hundred seventy-eight".